COGNEX CORP
10-K, 1998-03-27
INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL
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<PAGE>   1
                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 10-K

(Mark One)
     [ X ] Annual report pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934 for the fiscal year ended December 31, 1997 or

     [   ]  Transition report pursuant to Section 13 or 15(d) of the Securities 
Exchange Act of 1934 for the transition period from __________ to _____________

                         COMMISSION FILE NUMBER 0-17869

                               COGNEX CORPORATION
             (Exact name of registrant as specified in its charter)


              MASSACHUSETTS                                    04-2713778
      (State or other jurisdiction of                       (I.R.S. Employer
      incorporation or organization)                       Identification No.)


                                ONE VISION DRIVE
                        NATICK, MASSACHUSETTS 01760-2059
                                 (508) 650-3000
              (Address, including zip code, and telephone number,
              including area code, of principal executive offices)


Securities registered pursuant to Section 12(b) of the Act:  None

Securities registered pursuant to Section 12(g) of the Act:  Common Stock

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days.

                          Yes     X                  No

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of the registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K. [ ]

          Aggregate market value of voting stock held by non-affiliates
                        as of March 1, 1998: $822,115,693

 $.002 par value common stock outstanding as of March 1, 1998: 41,829,639 shares

Documents incorporated by reference:
Specifically identified information in the Annual Report to Stockholders for the
year ended December 31, 1997, is incorporated by reference into Parts I and II
hereof.

Specifically identified information in the definitive Proxy Statement for the
Special Meeting in Lieu of the 1998 Annual Meeting of Stockholders to be held on
April 21, 1998, is incorporated by reference into Part III hereof.

A list of Exhibits to this Annual Report on Form 10-K is located on pages 18 and
19.
<PAGE>   2
                                     PART I

   The Company's results are subject to certain risks and uncertainties. This
   annual report on Form 10-K contains certain forward-looking statements within
   the meaning of the Federal Securities Laws. The Company's future results may
   differ materially from current results and actual results may differ
   materially from those projected in the forward-looking statements as a result
   of certain risk factors. Readers should pay particular attention to
   considerations described in the sections captioned "Liquidity and Capital
   Resources" and "Forward-Looking Statements" in Management's Discussion and
   Analysis of Financial Condition and Results of Operations appearing on pages
   15 through 17 of the Annual Report to Stockholders for the year ended
   December 31, 1997, which is Exhibit 13 hereto, and is incorporated herein by
   reference, as well as considerations included in other documents filed with
   the Securities and Exchange Commission.

   ITEM 1.  BUSINESS

   CORPORATE PROFILE

        Cognex(R) Corporation ("Cognex" or the "Company," each of which term
   includes, unless the context indicates otherwise, Cognex Corporation and its
   subsidiaries) was incorporated in Massachusetts in 1981. Its principal
   executive offices are located at One Vision Drive, Natick, Massachusetts
   01760 and its telephone number is (508) 650-3000.

        The Company designs, develops, and markets a family of machine vision
   systems that are used to replace human vision in a wide range of
   manufacturing processes. These high-level systems consist of sophisticated
   image analysis software and high-speed, special-purpose computers (vision
   engines) which, when connected to a video camera, interpret and generate
   information about video images. For example, a Cognex machine vision system
   can locate an object, read alphanumeric characters, detect flaws, or measure
   dimensions.

        Machine vision systems are used in a variety of industries including the
   semiconductor, electronics, automotive, consumer products, packaging,
   pharmaceutical, metals, plastics, and paper industries. Machine vision is
   important for applications in which human vision is inadequate due to
   fatigue, visual acuity, or speed, or in instances where substantial cost
   savings are obtained through the reduction of direct labor and improved
   product quality. Today, many types of manufacturing equipment require machine
   vision because of the increasing demands for speed and accuracy in
   manufacturing processes, as well as the decreasing geometries of items being
   manufactured.

   WHAT IS MACHINE VISION?

        In a typical machine vision application, a video camera positioned on
   the production line captures an image of the part to be inspected. The
   machine vision computer then uses sophisticated image analysis software to
   extract information from the image and provide an answer to a question.
   Cognex machine vision systems can answer four types of questions:

<TABLE>
<CAPTION>
     QUESTION              DESCRIPTION                            EXAMPLE
     --------              -----------                            -------

     GUIDANCE
     --------
<S>                        <C>                                    <C>
     Where is it?          Determining the exact physical         Determining the position of a printed circuit board
                           location of an object.                 so that a robot can automatically be guided to
                                                                  insert electrical components.
</TABLE>


                                       1
<PAGE>   3
<TABLE>
<S>                        <C>                                    <C>
     IDENTIFICATION
     --------------
     What is it?           Identifying an object by analyzing     Identifying the serial number on an automotive
                           its shape or by reading a serial       airbag so that it can be tracked and processed
                           number on it.                          correctly through manufacturing.

     INSPECTION
     ----------
     How good is it?       Inspecting an object for flaws or      Inspecting the quality of printing on
                           defects.                               pharmaceutical labels and packaging.

     GAUGING
     -------
     What size is it?      Determining the dimensions of an       Determining the diameter of a bearing prior to
                           object.                                final assembly.
</TABLE>

        Once the machine vision system has processed the image and performed any
   necessary analysis, the result is then communicated to other equipment on the
   factory floor, such as an industrial controller, a robotic arm, a deflector
   which removes the part from the line, a positioning table which moves the
   part, or alternatively, to a computer file for analysis or subsequent process
   control. This process is repeated during the manufacturing process as product
   moves into position in front of the camera. Machine vision systems can
   perform inspections quickly enough to keep pace with machines that process
   thousands of items or material feet per minute, thus increasing both quality
   and productivity.

   THE MACHINE VISION MARKET

        The machine vision market can be segmented into two categories: original
   equipment manufacturers (OEMs) and the factory floor. The factory floor can
   be further subdivided between system integrators and end users. OEMs are
   companies that build standard products sold as capital equipment for the
   factory floor. These customers, most of which are in the semiconductor and
   electronics industries, have the technical expertise to build Cognex's
   programmable, board-level machine vision systems directly into their products
   which are then sold to end users.

        System integrators are companies that create complete, automated
   inspection solutions for end users on the factory floor in a variety of
   industries. For example, they combine lighting, conveyors, robotics, machine
   vision, and other components to produce custom inspection systems for various
   applications. Because system integrators encounter a broad range of
   automation problems, they purchase a variety of Cognex products, from
   programmable systems to application-specific solutions tailored to solve
   particular manufacturing tasks.

        End users are companies that manufacture products, such as radios,
   telephones, ball-point pens, metals, and paper on the factory floor. While
   they may purchase capital equipment containing machine vision or hire a
   system integrator to build an inspection system, many end users choose to
   purchase machine vision directly to solve specific applications on their
   production lines. Unlike OEMs and system integrators, these customers
   typically have little or no computer programming or machine vision
   experience.

   BUSINESS STRATEGY

        The Company's goal is to expand its position as a leading worldwide
   supplier of machine vision systems for factory automation. Currently, the
   Company's products are designed for factory automation because the Company
   believes that this market offers the greatest opportunity for selling high
   value-added, standard products in high volume. Within the factory automation
   market, the Company has historically focused primarily on those customers who
   must have machine vision because of the increasing complexity of their
   products or manufacturing methods.


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<PAGE>   4
        Emphasizing high value-added products and applications is important to
   the Company's strategy because not every segment of the machine vision market
   offers opportunity for sustained profitability. High value-added is realized
   in the Company's products in several ways. The primary value-added is derived
   from offering unique vision software algorithms which solve challenging
   problems better than competing products. The other major mode of realizing
   high value-added is by offering products which are complete solutions to
   known problems, incorporating all of the necessary vision software,
   applications software, hardware, and electro-optics. Both modes of realizing
   high value-added require the Company to maintain an industry-leading level of
   investment in research, development and engineering.

        Within the factory automation market, the Company has tailored its
   product and support offerings to match the characteristics of its two major
   segments: OEMs and the factory floor. Historically, the OEM segment has been
   the source of the majority of the Company's sales. However, the Company
   believes that the factory floor segment has the potential in the long term to
   be larger than the OEM segment. Consequently, the Company has invested in
   developing and acquiring products which meet the needs of the factory floor
   market and in developing a strong worldwide direct sales and support
   infrastructure. The Company will continue to invest in both segments of the
   market, defending its strong position in the OEM segment while expanding in
   the factory floor segment.

         The Company has historically pursued a global business strategy,
   investing in building a strong direct presence in North America, Japan,
   Europe, and Southeast Asia. In 1997, approximately 62% of the Company's
   revenue came from markets outside of the United States. In all of these
   regions, the Company is acknowledged to be a leading machine vision supplier.
   The Company intends to continue to invest in the expansion of direct sales,
   support, local marketing, and local engineering in these regions.

        The factory automation market for machine vision is comprised of many
   market niches defined by differing application requirements, industries, and
   cost/performance criteria. The Company's business strategy includes selective
   expansion into other industrial machine vision applications which will be
   driven both by the internal development of new products and the acquisition
   of companies and technologies. In July 1995, the Company acquired Acumen,
   Inc., a developer of machine vision systems for semiconductor wafer
   identification. In February 1996, the Company acquired Isys Controls, Inc., a
   developer of high-performance machine vision systems for high-speed surface
   inspection. In July 1997, the Company acquired Mayan Automation, Inc., a
   developer of intelligent camera-based machine vision systems for surface
   inspection. These acquisitions gave Cognex an immediate and strong presence
   in the growing niche markets for semiconductor wafer identification and
   surface inspection.

   PRODUCTS

        The Company develops and sells a wide range of machine vision products.
   These products fall into two lines: the Modular Vision System (MVS) Product
   Line and the Surface Inspection System (SIS) Product Line. The Company
   estimates that it had sold approximately 70,000 machine vision systems as of
   December 31, 1997.

        The MVS Product Line consists of an integrated family of proprietary
   vision software components together with vision hardware components (embedded
   vision engines and frame grabbers) which require minimal customization and
   support by the Company. Modular Vision Systems sold by the Company are
   defined as either general-purpose or application-specific products.
   General-purpose machine vision products enable customers to solve a wide
   range of problems by selecting the tools necessary to solve their vision
   problem from the Company's vision software library and then configuring their
   solution by utilizing a programmable language or a "point-and-click"
   interface. Application-specific machine vision products are "packaged"
   combinations of software and hardware that are designed to solve targeted
   problems without any customization by the Company or its customers. A typical
   Cognex Modular Vision System, including software and hardware, ranges in
   price from $7,500 to $20,000.


                                       3
<PAGE>   5
          The SIS Product Line consists of a family of intelligent line-scan
   cameras, high-performance image processing hardware, special-purpose
   illumination systems, and proprietary defect detection and classification
   software. These elements are combined into complete systems which range in
   price from $25,000 to $2,500,000, depending upon the number of cameras and
   the processing speed. The Company's Surface Inspection Systems are
   application-specific products intended to solve surface inspection problems
   within a targeted set of industries and applications without any
   customization by the Company or its customers.

        MODULAR VISION SYSTEM PRODUCT LINE

        Programmable Vision Systems

        Cognex Programmable Vision Systems (PVSs) are board-level vision systems
   programmable in C-language. PVSs are comprised of software and hardware
   "building blocks" that enable customers to construct solutions tailored to
   their application needs. The Company offers a library of vision software
   tools that locate patterns, inspect for defects, measure geometric
   properties, and identify parts. The hardware is a family of embedded vision
   engines and frame grabbers.

        Embedded vision engines are vision computers which plug into the
   backplane of a standard personal computer (PC) or VME bus architecture. Each
   embedded vision engine contains an on-board central processing unit (CPU),
   image capture mechanism, memory, and input/output connector, enabling the
   host computer to off-load all vision tasks to the vision processor. Frame
   grabbers are single-board image capture devices which capture images from
   video cameras and input the images directly into the host CPU over a standard
   bus, such as a PCI. In this case, the Cognex vision software tools run
   directly on the PC's CPU.

        Customers first choose the most appropriate software tools from the
   vision software library and then select the hardware platform that satisfies
   their speed and price requirements. To create a vision solution, users write
   a C-language program that connects the software blocks appropriate for their
   vision tasks and then run the application on the selected hardware platform.
   Customers are given the flexibility to configure their own vision solutions
   to a broad range of complex vision problems without detailed support from the
   Company. Cognex vision hardware is functionally and software compatible
   across product lines, allowing customers to readily upgrade to higher
   performance systems or to change platforms as their application needs change.

        In 1997, the Company introduced the Cognex MVS 8000 Series which
   includes both embedded vision engines and frame grabbers, as well as new
   vision software tools which offer improvements in accuracy and robustness.
   The 8000 Series is designed to exploit the power of Intel MMX-based
   processors, Microsoft Windows/NT operating systems, and high-speed PCI
   bus-based PCs. The Company also offers the Cognex 4000 Series which plugs
   directly into a VME backplane, as well as the Cognex 5000 and 6000 Series
   which run on PCs.

        PVSs are sold primarily to OEMs located in North America and Japan who
   integrate the vision systems into manufacturing equipment for the
   semiconductor and electronics industries. PVSs are also sold to system
   integrators located principally in North America, Japan, Europe, and
   Southeast Asia who integrate the vision systems into manufacturing equipment
   for the factory floor in industries ranging from automotive to
   pharmaceutical.

         "Point-and-Click" Programmable Systems

        The Checkpoint(R) family of vision systems (the Checkpoint 900 which
   runs on a PC and the Checkpoint 800 which plugs directly into a VME
   backplane) is designed for manufacturing engineers who do not program in
   C-language and are looking for a rapid application development environment.
   Checkpoint combines the Company's existing vision software and standard
   vision hardware platforms with a unique Microsoft Windows-based graphical
   user interface (GUI). Manufacturing engineers utilize pull-down menus and
   dialog boxes in the GUI to create customized vision applications. This
   "point-and-click" programming environment enables the developer to focus on
   tasks associated with solving the overall vision application, freeing the
   developer from the detail and complexity of programming in C-


                                       4
<PAGE>   6
   language. The library of vision tools currently available with Checkpoint
   enables users to solve a wide range of inspection, gauging, assembly
   verification, and defect detection problems.

        The Company introduced Checkpoint in 1994 for the factory floor market.
   Checkpoint is sold primarily to end users and system integrators located in
   North America, Japan, Europe, and Southeast Asia in a wide range of general
   manufacturing industries, such as manufacturers of medical devices,
   batteries, power tools, disposable consumer goods, and electronic components.
   Although the application environment is designed for engineers with little
   programming or machine vision experience, deployment of Checkpoint on the
   factory floor requires the services of trained system integrators to
   mechanically and electrically integrate Checkpoint into manufacturing lines.

        Application-Specific Modular Vision Systems

        Application-specific products are "packaged" combinations of software
   and hardware that are designed to solve targeted problems without any
   customization by the Company or its customers. The Company's
   application-specific products are designed to address particular requirements
   of certain vision applications and are sold to OEMs, system integrators, and
   end users worldwide. A partial list of application-specific products is as
   follows:

             Surface Mount Device Placement Guidance Package (SMD/PGP), when
       coupled with a Cognex 4000, 5000, or 8000 Series machine vision engine,
       quickly and accurately locates fiducial marks on printed circuit boards
       for alignment, inspects the quality of surface mount devices, and then
       guides the placement of those devices onto printed circuit boards. For
       high-performance lead inspection in time-critical applications, the
       SMD/PGP tools have real-time image acquisition capability, eliminating
       the need to stop the motion of the placement machine in order to capture
       an image of a moving part.

             Cognex acuReader/Optical Character Recognition (OCR) reads even the
       most degraded serial numbers from semiconductor wafers with near 100%
       accuracy.

             Cognex acuReader/2D reads automatic identification manufacturers
       (AIM) standard data matrix symbologies. The two-dimensional codes are
       used as alternative marks for identifying wafers, integrated circuit
       packages, liquid crystal display (LCD) panels, pharmaceutical packages,
       and for small parts tracking applications.

             Cognex acuReader/Optical Character Verification (OCV) verifies the
       print produced by laser, pad, or offset printing equipment.

             Cognex acuFinder(R) locates parts, regardless of rotation and
       scale, and guides robots in the assembly, sorting, and packaging of
       appliance, automotive, consumer, and electronics products.

             Ball Grid Array (BGA) Inspection Package inspects BGA devices for
       missing, misplaced, or improperly formed solder balls.

             Cognex Fiducial Finder, when coupled with a Cognex 4000, 5000, or
       8000 Series machine vision engine, locates fiducial or alignment marks on
       printed circuit boards.

             Cognex Print Quality Inspection (PQI), when coupled with a Cognex
       4000 or 5000 Series machine vision engine, quickly and accurately
       inspects print produced by laser, pad, or offset printing equipment.

        SURFACE INSPECTION SYSTEM PRODUCT LINE

        Fine-Line Intelligent Camera Systems

        Fine-Line Intelligent Camera Systems are complete surface inspection
   devices packaged in a compact and rugged enclosure. Each camera contains a
   line-scan charge-coupled device (CCD) sensor, image digitizer, digital signal
   processor (DSP), custom hardware for pixel processing, surface inspection
   algorithms in firmware, and a CPU for control and communications. In addition
   to the 


                                       5
<PAGE>   7
   camera, the Company provides a PC-based operator interface, specialized
   lighting components, and power supply/control boxes to provide customers with
   a complete solution to their surface inspection applications. Fine-Line
   systems can be used in a single-camera, "stand-alone" fashion for simple,
   narrow web applications, or they can be installed in multi-camera
   configurations to view wider webs. Fine-Line systems, which range in price
   from $25,000 to $150,000, depending upon the number of cameras, are targeted
   primarily at the plastics, non-wovens, and converting markets.

        iS High Performance Inspection Systems

        iS High Performance Inspection Systems are designed for the most
   demanding surface inspection applications. iS systems are built from a family
   of hardware and software components which include proprietary line-scan
   cameras with motorized camera mounts, specialized lighting systems,
   ultra-high performance image processing boards, Unix workstations, and
   intelligent defect detection and classification software algorithms. iS
   systems can contain from one to sixty cameras and can be used to inspect webs
   up to 25 feet wide at speeds of up to 5,000 feet per minute. iS systems,
   which range in price from $300,000 to $2,500,000, depending upon the number
   of cameras and the processing speed, are targeted primarily at metals,
   specialized coated paper, and high-value non-woven materials producers.

   RESEARCH, DEVELOPMENT AND ENGINEERING

        The Company engages in research, development and engineering (R,D & E)
   to enhance its existing products and to develop new products and
   functionality to meet market opportunities. The Company considers its
   on-going efforts in R,D & E to be a key component of its strategy.

        The MVS engineering group released the first product of the new 8000
   Series during 1997, with additional products of this series planned for
   release during 1998. The software for this series and the family of
   compatible hardware, from frame grabbers to fully embedded board-level
   vision systems, utilize the processing capabilities of Intel MMX
   architecture. During 1998, the MVS engineering group will be further
   leveraging the technical power of PatMax, a major advance in high-accuracy
   rotation and scale invariant pattern recognition, introduced by the Company
   in 1997. Both PatMax and PatMax/Inspect, an innovative companion defect
   inspection technology, will substantially increase the performance and range
   of the Company's application-specific products, such as surface mount device
   and wirebonder inspection, as well as increase the capabilities of the
   Company's "point-and-click" vision development systems, including Checkpoint.
   During 1998, the MVS engineering group also plans to release new versions of
   PatMax and PatMax/Inspect.

        The SIS engineering group introduced several new products during 1997,
   including products for improved illumination of large web applications,
   high-performance line-scan cameras and controllers, and an advanced
   intelligent classifier. These additional capabilities will improve both the
   performance and range of applications serving the metals industry, as well as
   broaden the number of applications and industries served to include plastics
   and non-wovens. The SIS Product Line was further expanded through the
   acquisition of Mayan Automation, Inc., a developer of intelligent
   camera-based machine vision systems for surface inspection, in the third
   quarter of 1997. The combination of intelligent camera systems for smaller
   applications and large, integrated systems technology provides the Company
   with the unique ability to match a wide range of user requirements. During
   1998, the SIS engineering group will further expand the capabilities of its
   newly-acquired intelligent camera technology to cost-effectively match higher
   performance requirements within the industries that it serves, while it also
   plans development activities in its integrated systems business to further
   improve performance. With the advent of as many as ten new intelligent
   classification systems (iLearn) coming on-line, the Company seeks to attain
   broad industry acceptance, as its customers find it easier to apply and
   benefit from surface inspection technology. iLearn automatically generates
   rules for classifying surface defects into user-defined categories, thereby
   dramatically reducing the start-up time and effort required to tune the
   inspection system to meet the needs of each individual production line and
   product type.


                                       6
<PAGE>   8
         In addition to internal research and development efforts, the Company
   intends to continue its strategy of gaining access to new technology through
   strategic relationships and acquisitions where appropriate.

        At December 31, 1997, the Company employed 152 professionals in R,D &
   E, most of whom are software developers. The Company's R,D & E expenses
   totaled $22,481,000, $19,434,000, and $13,190,000, or 14%, 16%, and 13% of
   revenue, in 1997, 1996, and 1995, respectively.

   MANUFACTURING

        The Company's MVS Product Line is manufactured at its Natick,
   Massachusetts headquarters. The Company's Natick manufacturing organization
   has completed its transition to a turnkey manufacturing operation whereby the
   majority of component procurement, subassembly, final assembly, and initial
   testing are performed under agreement by third-party contractors. After the
   completion of initial testing, the third-party contractors deliver the
   products to the Company to perform final testing and assembly. The products
   provided by the third-party contractors are manufactured using specified
   components and assembly and test documentation created and controlled by the
   Company. Certain components purchased by the third-party contractors are
   presently available from a single source.

        The Company's iS products are manufactured at its Alameda, California
   facility and its Fine-Line products are manufactured at its Montreal, Canada
   facility. The manufacturing processes at the Alameda and Montreal facilities
   consist of systems design, configuration management and control, component
   procurement, subassembly, integration and final test, quality control,
   shipment, and installation. Certain products are manufactured by third-party
   contractors using assembly and test documentation created and controlled by
   the Company. Certain components purchased by the third-party contractors are
   presently available from a single source.

   SALES AND SERVICE

        The Company markets its products through a direct sales force in North
   America, and through a direct sales force and distributors in Japan, Europe,
   and Southeast Asia. The Company's distributors do not have any rights of
   return, and payment for products is due upon delivery. Distributors generally
   have non-exclusive distribution rights and there may be more than one
   distributor per territory.

        The Company's direct sales force operates in the United States out of
   its Natick, Massachusetts headquarters, its Regional Technology Centers in
   Mountain View, California and Naperville, Illinois, and its sales offices
   throughout the United States; in Canada out of its Montreal, Quebec and
   Scarborough, Ontario offices; in Japan out of its Tokyo, Osaka, Nagoya, and
   Fukuoka offices; in Europe out of its France, Germany, England, Italy,
   Sweden, and Scotland offices; and in Southeast Asia out of its Singapore,
   Korea, and Taiwan offices.

        At December 31, 1997, the Company's direct sales and service force
   consisted of 134 professionals, including sales and application engineers.
   The majority of the Company's sales and service personnel have engineering or
   science degrees. Sales engineers call directly on targeted accounts and
   coordinate the activity of the application engineers. They focus on potential
   customers that represent possible volume purchases and long-term
   relationships. Opportunities that represent single-unit sales or turnkey
   system requirements are identified by the sales engineer and turned over to
   an independent system integrator or OEM that uses the Company's products. The
   Company sells its MVS products to customers that have entered or are expected
   to enter into volume discount contracts with the Company. These contracts are
   typically for one year and have associated delivery schedules.

        Sales to international customers represented approximately 62%, 55%, and
   59% of revenue in 1997, 1996, and 1995, respectively. One international
   customer based in Japan, Fuji America Corporation, accounted for
   approximately 18%, 11%, and 16% of revenue in 1997, 1996, and 1995,


                                       7
<PAGE>   9
   respectively. Information about foreign and domestic operations, export
   sales, and significant geographic areas, as well as foreign currency and
   related risk may be found in the Notes to the Consolidated Financial
   Statements, appearing on pages 23 through 25 and 35 through 36 of the Annual
   Report to Stockholders for the year ended December 31, 1997, which is Exhibit
   13 hereto, and is incorporated herein by reference. Although international
   sales may from time to time be subject to federal technology export
   regulations, the Company to date has not suffered delays or prohibitions in
   sales to any of its foreign customers.

        The Company provides software update services and hardware maintenance
   on a contract basis. Software updates are provided via floppy disks and
   hardware maintenance is provided by repairing or exchanging printed circuit
   boards. Programming application services for projects can be contracted with
   the Company on a time-and-material basis only when doing so enhances the sale
   of the Company's standard products. Product courses are provided by the
   Company at its headquarters in Natick, Massachusetts, at its offices in
   Japan, France, Germany, and England, as well as at the customer site when
   required. These courses provide the user with both lecture and laboratory
   sessions covering the use of Cognex products.

   PATENTS AND LICENSES

        Since the Company relies on the technical expertise, creativity, and
   knowledge of its personnel, it utilizes patent, copyright, and trade secret
   protection to safeguard its competitive position. In addition, the Company
   makes use of non-disclosure agreements with customers, suppliers, employees,
   and consultants. The Company attempts to protect its intellectual property by
   restricting access to its proprietary information by a combination of
   technical and internal security measures. However, there can be no assurance
   that any of the above measures will be adequate to protect the proprietary
   technology of the Company. Effective patent, copyright, and trade secret
   protection may be unavailable in certain foreign countries.

        Cognex, Checkpoint, and acuFinder are registered trademarks of Cognex
   Corporation. Patmax, Fine-Line, iS, and iLearn are trademarks of Cognex
   Corporation. All other brand names, service marks and trademarks, whether or
   not registered, are the property of their respective owners.

        The Company's software products are generally licensed to customers
   pursuant to a license agreement that restricts the use of the products to the
   customer's purposes on a designated Cognex machine vision engine. The Company
   has made portions of the source code available to certain customers under
   very limited circumstances and for restricted uses. If source code is
   released to a customer, the customer is required by contract to maintain its
   confidentiality and, in general, to use the source code solely for internal
   purposes or for maintenance.

        Several users of the Company's products have received notice of patent
   infringement from Technivision Corporation and Jerome H. Lemelson alleging
   that their use of the Company's products infringes certain patents issued to
   Mr. Lemelson. Certain of these users have notified the Company that, in the
   event it is subsequently determined that their use of the Company's products
   infringes any of Mr. Lemelson's patents, they may seek indemnification from
   the Company for damages or expenses resulting from this matter.

        Two users of the Company's products were engaged in litigation with Mr.
   Lemelson/Technivision involving certain of these patents and the validity of
   these patents was placed in issue. One user entered into a settlement
   agreement with Mr. Lemelson. The Company is not a party to that settlement
   and has no indemnification claims, or related obligations, with respect to
   that settlement. Certain products sold by the Company, as well as the
   products of others, were identified in connection with this litigation, which
   claimed an allegedly infringing use.

        With respect to the second user, in April 1996 the U.S. District Court
   of Nevada ruled in favor of summary judgment for the user, thus disposing of
   all actions in favor of such user. In April 1997, the same U.S. District
   Court of Nevada reversed its decision with respect to the April 1996 summary


                                       8
<PAGE>   10
   judgment ruling. Subject to appeal of the reversal by the user, the case will
   proceed to trial. On October 1, 1997 Mr. Lemelson died; however the
   litigation will continue under his estate. The Company cannot predict the
   outcome of this litigation or any similar litigation which may arise in the
   future, or the effect of such litigation on the operating results of the
   Company. The Company does not believe its products infringe any valid and
   enforceable claims of Mr. Lemelson's patents.

   COMPETITION

        The Company competes with other vendors of machine vision systems, the
   internal engineering efforts of the Company's current or prospective
   customers, and the manufacturers of image processing systems. Any of these
   competitors may have greater financial and other resources than the Company.
   Although the Company considers itself to be one of the leading machine vision
   companies in the world, reliable estimates of the machine vision market and
   the number of competitors are almost non-existent, primarily because of
   definitional confusion and a tendency toward double-counting of sales. The
   primary competitive factors affecting the choice of a machine vision system
   include product functionality and performance (e.g. speed, accuracy, and
   reliability) under real-world operating conditions, flexibility,
   programmability, and the availability of application support from the vendor.
   More recently, ease-of-use has become a competitive factor and product price
   has become a more significant factor with respect to simpler guidance and
   gauging applications. The Company competes with the lower-cost, software-only
   solutions being introduced by various competitors on the basis of superior
   performance and price, rather than on price alone, through its 8000 Series.
   In the paper industry market for high-performance surface inspection systems,
   the Company has faced increased competition as a result of a merger between
   Honeywell, a former distributor of the Company's iS products, and Measurex, a
   supplier of competing surface inspection systems.

   BACKLOG

        At December 31, 1997, the Company's backlog totaled $32,618,000,
   compared to $25,347,000 at December 31, 1996. Backlog reflects purchase
   orders for products scheduled for shipment within six months. The level of
   backlog at any particular date is not necessarily indicative of future
   revenue of the Company. Delivery schedules may be extended and orders may be
   canceled at any time subject to certain cancellation penalties.

   EMPLOYEES

        At December 31, 1997, the Company employed 529 persons, including 206 in
   sales, marketing and support activities; 152 in research, development and
   engineering; 76 in manufacturing and quality assurance; and 95 in information
   technology, management, administration and finance. Of the Company's 529
   employees, 61 are located in Japan. None of the Company's employees are
   represented by a labor union and the Company has experienced no work
   stoppages. The Company believes that its employee relations are good.


                                       9
<PAGE>   11
   ITEM 2:  PROPERTIES

        In 1994, the Company purchased and renovated a 100,000 square-foot
   building located in Natick, Massachusetts. In 1997, the Company completed
   construction of a 50,000 square-foot addition to this building. The Company's
   corporate headquarters, principal administrative, sales and marketing,
   research, development and engineering, manufacturing and quality assurance,
   and support personnel are located in this facility. In addition, the Company
   leases facilities in the United States in California, Illinois, and Oregon,
   as well as in Canada, Japan, France, Germany, England, Italy, Sweden,
   Scotland, Singapore, Korea, and Taiwan.

        In 1995, the Company purchased an 83,000 square-foot office building
   adjacent to its corporate headquarters. The building is currently occupied
   with tenants who have lease agreements that expire at various dates through
   the year 2000, at which point, the Company plans to take occupancy of the
   building.

        In 1997, the Company purchased a three and one-half acre parcel of land
   situated on Vision Drive, adjacent to the Company's corporate headquarters in
   Natick, Massachusetts. This land is anticipated to be used for future
   expansion.

   ITEM 3:  LEGAL PROCEEDINGS

        To the Company's knowledge, there are no pending legal proceedings,
   other than as described in "Business - Patents and Licenses," which are
   material to the Company to which it is a party or to which any of its
   property is subject. From time to time, however, the Company may be subject
   to various claims and lawsuits by customers and competitors arising in the
   normal course of business, including suits charging patent infringement.

   ITEM 4:  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

        There were no matters submitted during the fourth quarter of the year
   ended December 31, 1997 to a vote of security holders through solicitation of
   proxies or otherwise.


                                       10
<PAGE>   12
   ITEM 4A:  EXECUTIVE OFFICERS AND OTHER MEMBERS OF THE MANAGEMENT TEAM OF THE 
   REGISTRANT

        The following table sets forth the names, ages, and titles of the
   Company's executive officers at December 31, 1997:

<TABLE>
<CAPTION>
   NAME                          AGE           TITLE
   ----                          ---           -----
<S>                              <C>           <C>                                                             
   Robert J. Shillman            51            President, Chief Executive Officer, and Chairman of the Board
                                               of Directors
   Patrick A. Alias              52            Executive Vice President, Sales and Marketing
   John J. Rogers, Jr.           39            Executive Vice President, Chief Financial Officer, and Treasurer
   Glenn Wienkoop                50            Executive Vice President, Subsidiary Operations
</TABLE>


   Messrs. Shillman, Alias, and Rogers have been employed by the Company in
   their present or other capacities for no less than the past five years.

   Mr. Wienkoop joined the Company in 1997 as Executive Vice President of
   Subsidiary Operations. From 1975 to 1997, he served in a number of
   capacities, most recently as Executive Vice President and Division President,
   at Measurex Corporation, a supplier of computer-integrated measurement,
   control, and information systems for continuous manufacturing processes.

   Executive officers are elected annually by the Board of Directors. There are
   no family relationships among the directors and the executive officers of the
   Company.

                      OTHER MEMBERS OF THE MANAGEMENT TEAM

<TABLE>
<CAPTION>
   NAME                          AGE           TITLE
   ----                          ---           -----
<S>                              <C>           <C>                                                 
   E. John McGarry               41            Vice President, Development: Application-Specific
                                               Accelerated Products
   William Silver                43            Chief Technology Officer
</TABLE>

   Mr. Silver has been employed by the Company in his present or other
   capacities for no less than the past five years. 

   Mr. McGarry joined the Company in 1995 when the company he founded in 1991,
   Acumen, Inc., was acquired by Cognex. From 1991 to 1995, he served as
   President of Acumen, Inc., a developer of machine vision systems for
   semiconductor wafer identification.


                                       11
<PAGE>   13
                                     PART II

   ITEM 5:  MARKET FOR THE REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER 
   MATTERS

        Certain information with respect to this item may be found in the
   section captioned "Selected Quarterly Financial Data," appearing on page 42,
   and the section captioned "Company Information," appearing on page 43 of the
   Annual Report to Stockholders for the year ended December 31, 1997, which is
   Exhibit 13 hereto, and is incorporated herein by reference.

        The Company has never declared or paid cash dividends on shares of its
   common stock. The Company currently intends to retain all of its earnings to
   finance the development and expansion of its business and therefore does not
   intend to declare or pay cash dividends on its common stock in the
   foreseeable future. Any future declaration and payment of dividends will be
   subject to the discretion of the Company's Board of Directors, will be
   subject to applicable law, and will depend upon the Company's results of
   operations, earnings, financial condition, contractual limitations, cash
   requirements, future prospects, and other factors deemed relevant by the
   Company's Board of Directors.

   ITEM 6:  SELECTED FINANCIAL DATA

        Information with respect to this item may be found in the section
   captioned "Five-Year Summary of Selected Financial Data," appearing on page
   41 of the Annual Report to Stockholders for the year ended December 31, 1997,
   which is Exhibit 13 hereto, and is incorporated herein by reference.

   ITEM 7:  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND 
   RESULTS OF OPERATIONS

        Information with respect to this item may be found in the section
   captioned "Management's Discussion and Analysis of Financial Condition and
   Results of Operations," appearing on pages 12 through 17 of the Annual Report
   to Stockholders for the year ended December 31, 1997, which is Exhibit 13
   hereto, and is incorporated herein by reference.

   ITEM 8:  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

        Information with respect to this item, which includes the consolidated
   financial statements and notes thereto, report of independent accountants,
   and supplementary data, may be found on pages 18 through 42 of the Annual
   Report to Stockholders for the year ended December 31, 1997, which is Exhibit
   13 hereto, and is incorporated herein by reference.

   ITEM 9:  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND 
   FINANCIAL DISCLOSURE

        There were no changes in or disagreements with accountants on accounting
   or financial disclosure during 1997 or 1996.


                                       12
<PAGE>   14
                                    PART III

   ITEM 10:  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

        Information with respect to Directors of the Company may be found in the
   section captioned "Election of Directors," appearing in the definitive Proxy
   Statement for the Special Meeting in Lieu of the 1998 Annual Meeting of
   Stockholders to be held on April 21, 1998. Such information is incorporated
   herein by reference. Information with respect to Executive Officers of the
   Company may be found in the section captioned "Executive Officers and Other
   Members of the Management Team of the Registrant," appearing in Part I of
   this Annual Report on Form 10-K.

   ITEM 11:  EXECUTIVE COMPENSATION

        Information with respect to this item may be found in the sections
   captioned "Information Concerning the Board of Directors,"
   "Compensation/Stock Option Committee Report on Executive Compensation,"
   "Comparison of Five Year Cumulative Total Returns Performance Graph for
   Cognex Corporation," and "Executive Compensation," appearing in the
   definitive Proxy Statement for the Special Meeting in Lieu of the 1998 Annual
   Meeting of Stockholders to be held on April 21, 1998. Such information is
   incorporated herein by reference.

   ITEM 12:  SECURITY OWNERSHIP AND CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

        Information with respect to this item may be found in the sections
   captioned "Principal Holders of Voting Securities" and "Security Ownership of
   Directors and Officers," appearing in the definitive Proxy Statement for the
   Special Meeting in Lieu of the 1998 Annual Meeting of Stockholders to be held
   on April 21, 1998. Such information is incorporated herein by reference.

   ITEM 13:  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

        None


                                       13
<PAGE>   15
                                     PART IV

   ITEM 14:  EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K

   (a)   (1)    Financial Statements

                The following consolidated financial statements of Cognex
                Corporation and the report of independent accountants relating
                thereto are included in the Company's Annual Report to
                Stockholders for the year ended December 31, 1997, which is
                Exhibit 13 hereto, and is incorporated herein by reference:

                   Report of Independent Accountants

                   Consolidated Statements of Income for the years ended
                   December 31, 1997, 1996, and 1995 

                   Consolidated Balance Sheets at December 31, 1997 and 1996

                   Consolidated Statements of Stockholders' Equity for the years
                   ended December 31, 1997, 1996, and 1995

                   Consolidated Statements of Cash Flows for the years ended 
                   December 31, 1997, 1996, and 1995

                   Notes to Consolidated Financial Statements

         (2)    Financial Statement Schedule

                Included at the end of this report are the following:

                   Report of Independent Accountants on the Financial Statement 
                   Schedule

                   Schedule II - Valuation and Qualifying Accounts

                Other schedules are omitted because of the absence of conditions
                under which they are required or because the required
                information is given in the consolidated financial statements or
                notes thereto.

         (3)    Exhibits

                The Exhibits filed as part of this Annual Report on Form 10-K
                are listed in the Exhibit Index appearing on pages 18 and 19,
                immediately preceding such Exhibits.

   (b)          Reports on Form 8-K

                There were no Reports on Form 8-K filed during the fourth
                quarter of the year ended December 31, 1997.


                                       14
<PAGE>   16
                                   SIGNATURES

        Pursuant to the requirements of Section 13 or 15(d) of the Securities
   Exchange Act of 1934, the registrant has duly caused this report to be signed
   on its behalf by the undersigned, thereunto duly authorized.

                            COGNEX CORPORATION

                            /s/ Robert J. Shillman
                            ----------------------
                            Robert J. Shillman
                            (President, Chief Executive Officer, and Chairman of
                            the Board of Directors)
                            March 27, 1998

        Pursuant to the requirements of the Securities Exchange Act of 1934,
   this report has been signed below by the following persons on behalf of the
   registrant and in the capacities and on the dates indicated.

<TABLE>
<CAPTION>
   Signature                              Title                                              Date
   ---------                              -----                                              ----
<S>                                       <C>                                                <C> 
   /s/ Robert J. Shillman                 President, Chief Executive Officer,                March 27, 1998
   -------------------------------        and Chairman of the Board of Directors
   Robert J. Shillman                     (principal executive officer)         
                                          

   /s/ John J. Rogers, Jr.                Executive Vice President, Chief Financial          March 27, 1998
   -------------------------------        Officer, and Treasurer                               
   John J. Rogers, Jr.                    (principal financial and accounting officer)
                                          

   /s/ William Krivsky                    Director                                           March 27, 1998
   -------------------------------
   William Krivsky

   /s/ Anthony Sun                        Director                                           March 27, 1998
   -------------------------------
   Anthony Sun

   /s/ Rueben Wasserman                   Director                                           March 27, 1998
   -------------------------------
   Rueben Wasserman
</TABLE>


                                       15
<PAGE>   17
                        REPORT OF INDEPENDENT ACCOUNTANTS
                       ON THE FINANCIAL STATEMENT SCHEDULE


To the Board of Directors and Stockholders of Cognex Corporation:

        Our report on the consolidated financial statements of Cognex
Corporation has been incorporated by reference in this Form 10-K from page 40 of
the 1997 Annual Report to Stockholders of Cognex Corporation. In connection with
our audits of such financial statements, we have also audited the related
financial statement schedule for each of the three years in the period ended
December 31, 1997 listed in Item 14(a) of this Form 10-K.

        In our opinion, the financial statement schedule referred to above, when
considered in relation to the basic financial statements taken as a whole,
presents fairly, in all material respects, the information required to be
included therein.

Boston, Massachusetts                             /s/ COOPERS & LYBRAND L.L.P.
January 23, 1998


                                       16
<PAGE>   18
                                                                     SCHEDULE II

                               COGNEX CORPORATION
                        VALUATION AND QUALIFYING ACCOUNTS
                             (Dollars in thousands)

<TABLE>
<CAPTION>
                                                                      ADDITIONS
                                                             ----------------------------
                                              BALANCE AT     CHARGED TO        CHARGED TO                        BALANCE 
                                               BEGINNING     COSTS AND            OTHER                         AT END OF
   DESCRIPTION                                 OF PERIOD     EXPENSES           ACCOUNTS         DEDUCTIONS       PERIOD  
   -----------                                 ---------     --------           --------         ----------       ------  
<S>                                           <C>           <C>                <C>               <C>            <C>
   Allowance for Doubtful Accounts
     1997                                     $     968     $   1,268             --             $ (296) (a)     $  1,940
                                                                                                                    
     1996                                           709           542             --               (283) (a)          968
                                                                                                      
     1995                                           684            25             --                 --               709

   Reserve for Inventory Obsolescence
     1997                                      $  2,273     $     278             --             $ (678) (b)     $  1,873
                                                                                                   
     1996                                           541         4,361             --             (2,629) (b)        2,273

     1995                                           599           --              --                (58) (b)          541
</TABLE>

   (a) Specific write-offs
   (b) Specific dispositions


                                       17
<PAGE>   19
                                  EXHIBIT INDEX

EXHIBIT NUMBER

          2A           Stock Purchase Agreement dated as of July 21, 1995 among
                       Acumen, Inc., the Shareholders of Acumen, Inc., and
                       Cognex Corporation (incorporated by reference to Exhibit
                       2 to the Report on Form 8-K filed on October 4, 1995)

          2B           Agreement and Plan of Merger dated as of February 29,
                       1996 among Cognex Corporation, Cognex Software
                       Development, Inc., Isys Controls, Inc., and Richard
                       Rombach (incorporated by reference to Exhibit 2 to the
                       Report on Form 8-K filed on March 15, 1996)

          3A           Articles of Organization of the Company effective January
                       8, 1981, as amended June 8, 1982, August 19, 1983, May
                       15, 1984, April 17, 1985, November 4, 1986, and January
                       21, 1987 (incorporated by reference to Exhibit 3A to the
                       Registration Statement Form S-1 [Registration No.
                       33-29020])

          3B           Restated Articles of Organization of the Company
                       effective June 27, 1989, as amended April 30, 1991, April
                       21, 1992, April 25, 1995, and April 23, 1996 (filed as
                       Exhibit 3B to the Company's Annual Report on Form 10-K
                       for the year ended December 31, 1996)

          3C           By-laws of the Company as amended February 9, 1990 (filed
                       as Exhibit 3C to the Company's Annual Report on Form 10-K
                       for the year ended December 31, 1990)

           4           Specimen Certificate for Shares of Common Stock 
                       (incorporated by reference to Exhibit 4 to the
                       Registration Statement Form S-1 [Registration No. 33-
                       29020])

         10A           Cognex Corporation Employee Stock Purchase Plan
                       (incorporated by reference to Exhibit 4A to Amendment 
                       No. 1 to the Registration Statement Form S-8 
                       [Registration No. 33-32815])

         10B           Cognex Corporation 1992 Director's Stock Option Plan 
                       (filed as Exhibit 10I to the Company's Annual Report on 
                       Form 10-K for the year ended December 31, 1992) 

         10C           Cognex Corporation 1993 Director's Stock Option Plan
                       (filed as Exhibit 10J to the Company's Annual Report on
                       Form 10-K for the year ended December 31, 1993)

         10D           Cognex Corporation 1993 Employee Stock Option Plan, as
                       amended May 28, 1996 (incorporated by reference to
                       Exhibit 4A to the Registration Form S-8 [Registration No.
                       333-4621])

         10E           Cognex Corporation 1996 Long-Term Incentive Plan 
                       (incorporated by reference to Exhibit 4A to the
                       Registration Statement Form S-8 [Registration No. 333-
                       2151])

         10F           Purchase and Sale Agreement with respect to the Natick
                       Executive Park facility dated as of June 30, 1995 (filed
                       as Exhibit 10G to the Company's Annual Report on Form
                       10-K for the year ended December 31, 1995)

         10G           Amendment to the Cognex Corporation 1993 Director's Stock
                       Option Plan *

         10H           Amendment to the Cognex Corporation 1993 Employee Stock 
                       Option Plan *

          13           Annual Report to Stockholders for the year ended December
                       31, 1997 (which is not deemed to be "filed" except to the
                       extent that portions thereof are expressly incorporated 
                       by reference in this Annual Report on Form 10-K)  *

          21           Subsidiaries of the registrant  *

          23           Consent of Coopers & Lybrand L.L.P. *



                                       18
<PAGE>   20


          27.A         Financial Data Schedule for the year ended December 31,
                       1997 (electronic filing only) *
 
          27.B         Restated Financial Data Schedule for the quarter ended
                       March 30, 1997 (electronic filing only)*

          27.C         Restated Financial Data Schedule for the quarter ended
                       June 29, 1997 (electronic filing only)*

          27.D         Restated Financial Data Schedule for the quarter ended
                       September 28, 1997 (electronic filing only)*

          27.E         Restated Financial Data Schedule for the quarter ended
                       March 31, 1996 (electronic filing only)*
 
          27.F         Restated Financial Data Schedule for the quarter ended
                       June 30, 1996 (electronic filing only)*

          27.G         Restated Financial Data Schedule for the quarter ended
                       September 29, 1996 (electronic filing only)*

          27.H         Restated Financial Data Schedule for the year ended
                       December 31, 1996 (electronic filing only)*

          27.I         Restated Financial Data Schedule for the year ended
                       December 31, 1995 (electronic filing only)*

          27.J         Restated Financial Data Schedule for the year ended
                       December 31, 1994 (electronic filing only)*

                      * Filed herewith


                                       19

<PAGE>   1
                                                                     EXHIBIT 10G

                               COGNEX CORPORATION

         Amendment to 1993 Stock Option Plan for Non-Employee Directors


         The Cognex Corporation 1993 Stock Option Plan for Non-Employee
Directors (the "Plan") is hereby amended as follows:

         1.       Section 8 of the Plan is hereby deleted in its entirety and
the following is substituted therefor:

                  "8.      TRANSFERABILITY OF OPTIONS

                  Any Option granted pursuant to this Plan shall not be
                  assignable or transferable other than by will or the laws of
                  descent and distribution, except that an optionee may transfer
                  Options granted under this Plan to the optionee's spouse or
                  children or to a trust for the benefit of the optionee or the
                  optionee's spouse or children."

         2.       Except as modified hereby, the Plan is hereby ratified and
confirmed in all respects.

                                            COGNEX CORPORATION



                                            By: \s\ Anthony J. Medaglia, Jr.
                                                -------------------------------
                                                Clerk

Adopted by the Board of Directors:
     December 16, 1997


<PAGE>   1
                                                                     EXHIBIT 10H

                               COGNEX CORPORATION

                       Amendment to 1993 Stock Option Plan


         The Cognex Corporation 1993 Stock Option Plan (the "Plan") is hereby
amended as follows:

         1.       Section 11 of the Plan is amended by adding the following
after the last sentence of the paragraph:

                  "11.     TRANSFERABILITY OF OPTIONS

                  Notwithstanding the foregoing, an optionee may transfer
                  non-qualified Options granted under this Plan to the
                  optionee's spouse or children or to a trust for the benefit of
                  the optionee or the optionee's spouse or children.

         2.       Except as modified hereby, the Plan is hereby ratified and
confirmed in all respects.

                                           COGNEX CORPORATION



                                           By: \s\ Anthony J. Medaglia, Jr.
                                               ---------------------------------
                                               Clerk

Adopted by the Board of Directors:
     December 16, 1997


<PAGE>   1
                                                                      EXHIBIT 13


MANAGEMENT'S DISCUSSION AND ANALYSIS
OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS


SUMMARY

Revenue for the year ended December 31, 1997 increased 26% over 1996 and net
income increased 33% over the prior year as the Company benefited from a
recovery in the semiconductor and electronics industries. These markets
experienced a cyclical slowdown that impacted the Company's business during
1996. The increase in revenue is due primarily to increased volume of modular
vision systems sold to Original Equipment Manufacturer (OEM) customers serving
these two industries. Sales to OEM customers increased 33% over 1996 and grew to
68% of revenue in 1997 from 65% of revenue in 1996. Additionally, sales to
factory floor customers increased 15% over the prior year. The increase in sales
to factory floor customers is primarily a result of additional sales and
marketing resources dedicated to this market in 1997, as well as the third
quarter acquisition of Mayan Automation, Inc. (Mayan), whose Fine-Line products
are sold to factory floor customers.


The Company's financial position remained strong at December 31, 1997, with $262
million in total assets and $236 million in stockholders' equity. Working
capital was $200 million at December 31, 1997, representing an increase of 31%
over the prior year. Cash and investments increased 33% from the prior year
primarily as a result of $52 million of cash generated from operations.


The following table sets forth certain consolidated financial data as a
percentage of revenue:

<TABLE>
<CAPTION>
                                                           YEAR ENDED DECEMBER 31,
                                                          1997      1996      1995
- -----------------------------------------------------------------------------------
<S>                                                       <C>       <C>       <C>
Revenue                                                    100%      100%      100%
Cost of revenue                                             27        32        22
                                                         --------------------------
Gross margin                                                73        68        78
Research, development and engineering expenses              14        16        13
Selling, general and administrative expenses                23        21        23
Charge for acquired in-process technology (1)                2                   9
                                                         --------------------------
Income from operations                                      34        31        33
Investment and other income                                  4         5         3
                                                         --------------------------
Income before provision for income taxes                    38        36        36
Provision for income taxes                                  12        11        14
                                                         --------------------------
Net income                                                  26%       25%       22%
                                                         ==========================
</TABLE>


(1) Charge from the write-off of acquired in-process technology in connection
with the acquisitions of Mayan Automation, Inc. in 1997 and Acumen, Inc. in
1995.


                                       12

<PAGE>   2

MANAGEMENT'S DISCUSSION AND ANALYSIS
OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)


RESULTS OF OPERATIONS

YEAR ENDED DECEMBER 31, 1997 COMPARED TO
YEAR ENDED DECEMBER 31, 1996:

The acquisition of Mayan, a developer of low-cost machine vision systems used
for surface inspection, on July 31, 1997 was accounted for under the purchase
method of accounting. The results of operations of Mayan since the acquisition
date are included in the Company's results.


Revenue for the year ended December 31, 1997 increased 26% to $155,340,000 from
$122,843,000 for the year ended December 31, 1996. This increase in revenue over
the prior year represents a recovery from the slowdown in the semiconductor and
electronics industries which had previously impacted the Company's business. The
increase is due primarily to increased volume from OEM customers serving these
two industries. Sales to OEM customers increased $26,221,000, or 33%, over 1996,
and grew to 68% of revenue in 1997 from 65% of revenue in 1996. Additionally,
sales to factory floor customers increased $6,276,000, or 15%, over 1996 due
primarily to increased volume resulting from additional sales and marketing
resources serving customers in this market, as well as the addition of Fine-Line
products from the acquisition of Mayan in the third quarter of 1997.


For the year ended December 31, 1997, approximately one half of the Company's
revenue was derived from customers based in Asia, primarily in Japan. During
1997, 3% of the Company's revenue was derived from Southeast Asia, with 1%
representing business in Korea. The Company believes the currency and credit
situation currently affecting Asia will have a limited impact on its business
since a majority of its sales to customers in Asia are denominated in U.S.
dollars and the Company has tightened its credit policy to customers based in
Southeast Asia. However, the Company believes its growth would be hampered for a
period of time if a worldwide slowdown in capital spending develops as a result
of the current financial situation in Asia.


Gross margin as a percentage of revenue for the year ended December 31, 1997 was
73% compared to 68% for 1996. Gross margin for 1996 included a $4,231,000
inventory charge to "Cost of revenue," which reduced the margin by approximately
four percentage points. The charge reflected costs associated with excess
inventories resulting from product transition plans, as well as reduced
production plans caused by the slowdown in the semiconductor and electronics
industries. Excluding the 1996 inventory charge, the slight improvement in gross
margin as a percentage of revenue is due primarily to the Company's ability to
significantly increase the number of machine vision systems manufactured with
only small increases in manufacturing overhead expenses, thereby improving the
absorption rate of overhead expenses. Gross margin as a percentage of revenue
for 1998 is expected to remain consistent with the results experienced for the
year ended December 31, 1997.


Research, development and engineering expenses for the year ended December 31,
1997 increased 16% to $22,481,000 from $19,434,000 for the year ended December
31, 1996. The increase in aggregate expenses is due primarily to higher
personnel-related costs to support the Company's continued investment in the
research and development of new and existing products. Expenses as a percentage
of revenue were 14% in 1997 compared to 16% in 1996. The decrease in expenses as
a percentage of revenue results from demand from OEM customers increasing
revenue at a rate that outpaced the increase in expenses associated with the
addition of new engineers. The Company intends to maintain its product
development schedule in 1998, irrespective of revenue trends, and therefore, the
level of research, development and engineering expenses as a percentage of
revenue may increase during the next few quarters.


Selling, general and administrative expenses for the year ended December 31,
1997 increased 36% to $35,810,000 from $26,261,000 for the year ended December
31, 1996. The increase in aggregate expenses is due primarily to higher
personnel-related costs, both domestically and internationally, to support the
Company's worldwide operations, as


                                       13

<PAGE>   3

MANAGEMENT'S DISCUSSION AND ANALYSIS
OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)


well as the reinstatement of company bonuses, which were eliminated as part of
an effort to control costs during 1996 in light of the temporary downturn in the
semiconductor and electronics industries. Expenses as a percentage of revenue
were 23% in 1997 compared to 21% in 1996. Selling, general and administrative
expenses are expected to continue to increase as additional resources are
committed to further penetrate the factory floor market, and therefore, expenses
as a percentage of revenue may increase during the next few quarters.


Investment income for the year ended December 31, 1997 increased 26% to
$5,947,000 from $4,726,000 for the year ended December 31, 1996. The increase in
investment income is due primarily to an increase in the Company's invested cash
balance during 1997.


Other income for the year ended December 31, 1997 totaled $718,000 and remained
fairly consistent with other income of $678,000 in 1996. Other income consists
primarily of rental income, net of related expenses, from leasing the building
adjacent to the Company's corporate headquarters.


The Company's effective tax rate was 30.5% for each of the years ended December
31, 1997 and 1996.


YEAR ENDED DECEMBER 31, 1996 COMPARED TO
YEAR ENDED DECEMBER 31, 1995:

The acquisition of Isys Controls, Inc. (Isys) in the first quarter of 1996 was
accounted for as a pooling of interests. The results of operations of Isys for
the full year ended December 31, 1996 are included in the Company's results. The
results of operations of Isys for the year ended December 31, 1995 were not
material to the Company's previously reported results, and therefore, that year
has not been restated.


Revenue for the year ended December 31, 1996 increased 18% to $122,843,000 from
$104,543,000 for the year ended December 31, 1995. Sales to customers based in
the United States, which grew to 45% of revenue in 1996 compared to 41% of
revenue in 1995, increased $12,597,000, or 30%, over 1995. Sales to customers
based in Japan increased $739,000, or 2%, over 1995, and sales to customers
based in Europe increased $3,715,000, or 30%, over 1995.


The increase in worldwide revenue for the year ended December 31, 1996 over the
prior year is due primarily to increased volume from factory floor customers.
Sales to factory floor customers increased $17,737,000, or 71%, over 1995, and
grew to 35% of revenue in 1996 from 24% of revenue in 1995. The increased volume
from factory floor customers includes sales of Isys products totaling
$13,183,000, or 11% of revenue, for the year ended December 31, 1996. During the
first half of 1996, sales to OEM customers increased $13,505,000, or 40%, over
the comparable period in 1995, whereas during the second half of 1996, sales to
OEM customers decreased $12,942,000, or 28%, over the comparable period in 1995,
resulting in increased OEM sales of $563,000, or 1%, year-on-year.


Gross margin for the year ended December 31, 1996 was 68% and included a
$4,231,000 inventory charge to "Cost of revenue," which reduced the margin by
approximately four percentage points. The charge reflected costs associated with
excess inventories resulting from product transition plans, as well as reduced
production plans caused by the slowdown in the semiconductor and electronics
industries.


Excluding the inventory charge, gross margin for the year ended December 31,
1996 was 72% compared to 78% for the year ended December 31, 1995. The decrease
in gross margin excluding the inventory charge is due primarily to a shift in
product mix to lower margin products including Isys products, price discounts to
some of the Company's larger customers for attaining certain volume thresholds,
and underabsorbed manufacturing costs resulting from reduced production plans.


Research, development and engineering expenses for the year ended December 31,
1996 increased 47% to $19,434,000 from $13,190,000 for the year ended December
31, 1995. Expenses as a percentage of revenue were 16% in 1996 compared to 13%
in 1995. The increase in aggregate expenses is due primarily to higher
personnel-related


                                       14

<PAGE>   4

MANAGEMENT'S DISCUSSION AND ANALYSIS
OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)


costs to support the Company's continued investment in the research and
development of new and existing products. These higher costs reflect the hiring
of additional personnel at the Company's corporate headquarters, and Japanese
and Acumen subsidiaries, as well as the addition of Isys engineers to the
Company's talent pool. The increase in expenses as a percentage of revenue is
due primarily to the investment in research and development outpacing the growth
in revenue.


Selling, general and administrative expenses for the year ended December 31,
1996 increased 10% to $26,261,000 from $23,973,000 for the year ended December
31, 1995. Expenses as a percentage of revenue were 21% in 1996 compared to 23%
in 1995. The increase in aggregate expenses is due primarily to higher
personnel-related costs, both domestically and internationally, to support the
Company's worldwide operations and further penetrate the factory floor market.
These higher costs reflect the hiring of additional personnel at the Company's
corporate headquarters, and Japanese and European subsidiaries, as well as the
addition of Isys employees resulting from the acquisition. The decrease in
expenses as a percentage of revenue is due primarily to the Company's efforts to
control costs during the second half of 1996, which included the elimination of
substantially all company bonuses.


Investment income for the year ended December 31, 1996 increased 50% to
$4,726,000 from $3,147,000 for the year ended December 31, 1995. The increase in
investment income is due primarily to an increased investment base, as well as
higher returns on invested balances.


Other income for the year ended December 31, 1996 totaled $678,000, compared to
other expense of $182,000 for the year ended December 31, 1995. Other income
(expense) consists primarily of rental income and related expenses from leasing
the building adjacent to the Company's corporate headquarters, which was
purchased in June 1995. The increase in other income is due primarily to the
collection of rental income for a full year in 1996, compared to only a half
year in 1995.


The Company's effective tax rate was 30.5% for each of the years ended December
31, 1996 and 1995, excluding the impact of a $10,189,000 charge for acquired
in-process technology in the third quarter of 1995, which had no associated tax
benefit.


LIQUIDITY AND CAPITAL RESOURCES

The Company's cash requirements during the year ended December 31, 1997 were met
through cash generated from operations. Cash and investments increased
$44,014,000 from December 31, 1996 primarily as a result of $52,493,000 of cash
generated from operations, offset by $10,852,000 of capital expenditures. Cash
generated from operations consists of net income, adjusted for non-cash charges
and changes in current assets and current liabilities, most notably a decrease
in accounts receivable resulting from the timing of cash receipts at year end.


                                       15

<PAGE>   5

MANAGEMENT'S DISCUSSION AND ANALYSIS
OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)


As discussed in the Notes to Consolidated Financial Statements, at December 31,
1997, the Company had unconditional obligations to purchase $5,570,000 of
inventory from third-party contractors within 60 days.


Capital expenditures for the year ended December 31, 1997 totaled $10,852,000
and consisted primarily of expenditures related to the implementation of new
computer information systems and expenditures for computer hardware, as well as
the cash purchase of land adjacent to the Company's corporate headquarters which
is anticipated to be used for future expansion.


On July 31, 1997, the Company acquired selected assets and assumed selected
liabilities of Mayan Automation, Inc. for $4,800,000 in cash, $1,800,000 of
which, at December 31, 1997, remained to be paid through the year 1999. Of the
$1,800,000 of future cash payments, $900,000 represents payments contingent upon
the attainment of certain performance milestones.


In July 1995, the Company acquired Acumen, Inc. for approximately $14,000,000.
The purchase price included $8,452,000 in cash, $566,000 of which, at December
31, 1997, remained to be paid through the year 2000.


Based on a recent assessment, the Company has determined that its internal
computer systems are capable of processing transactions relating to the year
2000 and beyond, and, to the best of its knowledge, the Company does not have
any material exposure to contingencies related to year 2000 issues for its
products. Additionally, the Company has initiated formal communications with its
significant suppliers and customers to determine the extent to which the Company
is vulnerable to those third parties' failures to remediate their own year 2000
issues. Although the Company is only in the preliminary stages of assessing the
impact of year 2000 issues and no assurances can be given, the Company does not
believe that year 2000 expenses will have a material impact on its business.


The Company believes that the existing cash and investments balance, together
with cash generated from operations, will be sufficient to meet the Company's
planned working capital and capital expenditure requirements through 1998,
including potential business acquisitions.


In June 1997, the Financial Accounting Standards Board issued Statement of
Financial Accounting Standard (SFAS) No. 130, "Reporting Comprehensive Income,"
which is effective for fiscal years beginning after December 15, 1997. SFAS
No.130 requires that changes in comprehensive income be shown in a financial
statement that is displayed with the same prominence as other financial
statements. The Company will adopt the provisions of this statement, which
include the reclassification of prior periods presented for comparative
purposes, in 1998. The Company is currently evaluating the impact that this
statement will have on its financial statements; however, because the statement
requires only additional disclosure, the Company does not expect the statement
to have a material impact on its financial position or results of operations.
The additional disclosure will include comprehensive income, which will differ
from historical net income by the amount of the translation adjustments and
unrealized gain (loss) on investments included as separate components of
stockholders' equity.


In June 1997, the Financial Accounting Standards Board issued SFAS No. 131,
"Disclosures about Segments of an Enterprise and Related Information," which is
effective for fiscal years beginning after December 15, 1997. This statement
supersedes SFAS No. 14, "Financial Reporting for Segments of a Business
Enterprise." SFAS No. 131 requires companies to report selected segment
information quarterly and entity-wide disclosures about products and services,
major customers, and the material countries in which the entity holds assets and
reports revenue. In 1998, the Company will adopt the provisions of this
statement, which include the reclassification of prior periods presented, unless
impracticable, for comparative purposes. The Company is currently evaluating the
impact that this statement will have on its financial statements; however,
because the statement requires only


                                       16

<PAGE>   6

MANAGEMENT'S DISCUSSION AND ANALYSIS
OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (CONTINUED)


additional disclosure, the Company does not expect the statement to have a
material impact on its financial position or results of operations.


FORWARD-LOOKING STATEMENTS

Certain statements made in this report, as well as oral statements made by the
Company from time to time, which are prefaced with words such as "expects,"
"anticipates," "believes," and similar words and other statements of similar
sense, are forward-looking statements. These statements are based on the
Company's current expectations and estimates as to prospective events and
circumstances, which may or may not be in the Company's control and as to which
there can be no firm assurances given. These forward-looking statements, like
any other forward-looking statements, involve risks and uncertainties that could
cause actual results to differ materially from those projected or anticipated.
Such risks and uncertainties include: (1) capital spending trends by
manufacturing companies; (2) the cyclicality of the semiconductor industry; (3)
the Company's continued ability to achieve significant international revenue;
(4) the loss of, or a significant curtailment of purchases by, any one or more
principal customers; (5) inability to protect the Company's proprietary
technology and intellectual property; (6) inability to attract or retain skilled
employees; (7) technological obsolescence of current products and the inability
to develop new products; (8) inability to respond to competitive technology and
pricing pressures; and (9) reliance upon certain sole source suppliers to
manufacture or deliver critical components of the Company's products. The
foregoing list should not be construed as exhaustive and the Company disclaims
any obligation subsequently to revise forward-looking statements to reflect
events or circumstances after the date of such statements or to reflect the
occurrence of anticipated or unanticipated events. Further discussions of risk
factors are also available in the Company's registration statements filed with
the Securities and Exchange Commission. The Company wishes to caution readers
not to place undue reliance upon any such forward-looking statements, which
speak only as of the date made.


                                       17

<PAGE>   7

COGNEX CORPORATION - CONSOLIDATED STATEMENTS OF INCOME

<TABLE>
<CAPTION>
                                                                                             YEAR ENDED DECEMBER 31,
(In thousands, except per share amounts)                                            1997              1996              1995
- -------------------------------------------------------------------------------------------------------------------------------
<S>                                                                               <C>               <C>               <C>
Revenue                                                                           $ 155,340         $ 122,843         $ 104,543

Cost of revenue                                                                      42,273            38,855            22,543
                                                                                -----------------------------------------------
Gross margin                                                                        113,067            83,988            82,000

Research, development and engineering expenses                                       22,481            19,434            13,190

Selling, general and administrative expenses                                         35,810            26,261            23,973

Charge for acquired in-process technology                                             3,115                              10,189
                                                                                -----------------------------------------------
Income from operations                                                               51,661            38,293            34,648

Investment income                                                                     5,947             4,726             3,147

Other income (expense)                                                                  718               678              (182)
                                                                                -----------------------------------------------
Income before provision for income taxes                                             58,326            43,697            37,613

Provision for income taxes                                                           17,790            13,328            14,579
                                                                                -----------------------------------------------
Net income                                                                        $  40,536         $  30,369         $  23,034
                                                                                ===============================================
Net income per common and common equivalent share:

     Basic                                                                        $     .98         $     .75         $     .60
                                                                                ===============================================
     Diluted                                                                      $     .91         $     .69         $     .55
                                                                                ===============================================
Weighted-average common and common

   equivalent shares outstanding:

     Basic                                                                           41,322            40,594            38,175
                                                                                ===============================================
     Diluted                                                                         44,702            43,814            41,952
                                                                                ===============================================
</TABLE>


The accompanying notes are an integral part of these consolidated financial
statements.

                                       18

<PAGE>   8

COGNEX CORPORATION - CONSOLIDATED BALANCE SHEETS


<TABLE>
<CAPTION>
                                                                                                            DECEMBER 31,

(Dollars in thousands)                                                                                1997              1996
- -------------------------------------------------------------------------------------------------------------------------------
<S>                                                                                                 <C>               <C>
ASSETS

Current assets:

   Cash and investments                                                                             $ 178,014         $ 134,000
   Accounts receivable, less reserves of $1,940 and $968 in 1997
     and 1996, respectively                                                                            25,095            18,809
   Revenue in excess of billings                                                                        3,723             3,379
   Inventories                                                                                          7,784             7,013
   Deferred income taxes                                                                                3,453             2,642
   Prepaid expenses and other                                                                           5,937             3,545
                                                                                                    ---------------------------
       Total current assets                                                                           224,006           169,388
                                                                                                    ---------------------------
Property, plant and equipment, net                                                                     32,995            28,331
Other assets                                                                                            3,462             3,534
Deferred income taxes                                                                                   1,377
                                                                                                    ---------------------------
                                                                                                    $ 261,840         $ 201,253
                                                                                                    ===========================

LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:
   Accounts payable                                                                                 $   3,332         $   3,652
   Accrued expenses                                                                                    13,712             7,007
   Accrued income taxes                                                                                 2,684             2,029
   Customer deposits                                                                                    3,112             2,596
   Deferred revenue                                                                                     1,596             1,287
                                                                                                    ---------------------------
       Total current liabilities                                                                       24,436            16,571
                                                                                                    ---------------------------


Other liabilities                                                                                       1,262             1,600
Deferred income taxes                                                                                                       393

Commitments (see Notes to Consolidated Financial Statements)

Stockholders' equity:
   Common stock, $.002 par value
     Authorized: 120,000,000 shares, issued: 41,859,395 and
     40,914,166 shares in 1997 and 1996, respectively                                                      84                82
   Additional paid-in capital                                                                          91,082            77,569
   Cumulative translation adjustment                                                                       44                95
   Retained earnings                                                                                  146,368           105,832
   Treasury stock, at cost, 103,139 and 80,918 shares in 1997
     and 1996, respectively                                                                            (1,436)             (889)
                                                                                                    ---------------------------
       Total stockholders' equity                                                                     236,142           182,689
                                                                                                    ---------------------------
                                                                                                    $ 261,840         $ 201,253
                                                                                                    ===========================
</TABLE>

The accompanying notes are an integral part of these consolidated financial
statements.

                                       19

<PAGE>   9
COGNEX CORPORATION
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY


<TABLE>
<CAPTION>
                                 COMMON STOCK                           CUMULATIVE                   TREASURY STOCK        TOTAL
                              ---------------------      ADDITIONAL    TRANSLATION    RETAINED    ------------------  STOCKHOLDERS'
(Dollars in thousands)         SHARES     PAR VALUE   PAID-IN CAPITAL   ADJUSTMENT    EARNINGS     SHARES     COST       EQUITY   
- -----------------------------------------------------------------------------------------------------------------------------------
<S>                           <C>         <C>         <C>              <C>           <C>          <C>        <C>       <C>
Balance at December 31, 1994  18,751,935  $  38          $ 53,633         $ (53)     $   50,482     30,878   $  (492)    $103,608
   Common stock issued to 
     acquire Acumen, Inc.         96,140                    4,170                                                           4,170
   Issuance of stock under 
     stock option and stock 
     purchase plans              683,079      1             4,826                                                           4,827
   Tax benefit from exercise 
     of stock options                                       8,581                                                           8,581
   Common stock received for
     payment of stock option 
     exercises                                                                                       9,581      (397)        (397)
   Stock issued to effect 
     stock split               9,508,521     39               (39)                                  40,459
   Translation adjustment                                                    93                                                93
   Net income                                                                            23,034                            23,034
                              -----------------------------------------------------------------------------------------------------
Balance at December 31, 1995  39,039,675     78            71,171            40          73,516     80,918      (889)     143,916
                              -----------------------------------------------------------------------------------------------------
   Common stock issued to 
     acquire Isys Controls,
     Inc.                      1,331,927      3             2,469                         1,947                             4,419
   Issuance of stock under 
     stock option, stock 
     purchase, and bonus 
     plans                       542,564      1             2,495                                                           2,496
   Tax benefit from exercise 
     of stock options                                       1,434                                                           1,434
   Translation adjustment                                                    55                                                55
   Net income                                                                            30,369                            30,369
                              -----------------------------------------------------------------------------------------------------
Balance at December 31, 1996   40,914,166     82           77,569            95         105,832     80,918      (889)     182,689
                              -----------------------------------------------------------------------------------------------------
  Issuance of stock under 
    stock option, stock 
    purchase, and bonus 
    plans                         945,229      2            5,504                                                           5,506
   Tax benefit from exercise 
     of stock options                                       8,009                                                           8,009
   Common stock received for 
     payment of stock option 
     exercises                                                                                      22,221      (547)        (547)
   Translation adjustment                                                   (51)                                              (51)
   Net income                                                                            40,536                            40,536
                              -----------------------------------------------------------------------------------------------------
Balance at December 31, 1997   41,859,395   $ 84         $ 91,082         $  44      $  146,368    103,139   $(1,436)   $ 236,142
                              -----------------------------------------------------------------------------------------------------
</TABLE>

The accompanying notes are an integral part of these consolidated financial
statements.

                                       20

<PAGE>   10

COGNEX CORPORATION - CONSOLIDATED STATEMENTS OF CASH FLOWS

<TABLE>
<CAPTION>

                                                                                             YEAR ENDED DECEMBER 31,
(In thousands)                                                                      1997              1996               1995
- -------------------------------------------------------------------------------------------------------------------------------
<S>                                                                              <C>               <C>                 <C>
Cash flows from operating activities:
   Net income                                                                    $   40,536        $   30,369          $ 23,034
   Adjustments to reconcile net income to net cash
     provided by operating activities:
       Depreciation of property, plant and equipment                                  4,870             4,352             2,845
       Amortization of intangible assets                                                938               735               355
       Loss on disposition of property, plant and equipment                             470                99                56
       Charge for acquired in-process technology                                      3,115                              10,189
       Tax benefit from exercise of stock options                                     8,009             1,434             8,581
       Inventory provision                                                                              4,231
       Deferred income tax provision                                                 (2,581)             (385)           (1,326)
   Changes in other current assets and current liabilities:
     Accounts receivable                                                             (6,603)            6,276           (14,705)
     Inventories                                                                       (920)            2,523            (7,678)
     Accounts payable                                                                  (421)              519             1,361
     Accrued expenses                                                                 6,403            (1,768)            2,867
     Other                                                                           (1,323)            2,724            (3,744)
                                                                                -----------------------------------------------
   Net cash provided by operating activities                                         52,493            51,109            21,835
                                                                                -----------------------------------------------
Cash flows from investing activities:
   Purchase of investments                                                          (94,707)          (63,067)          (75,758)
   Maturities of investments                                                         40,468            44,219            34,198
   Purchase of property, plant and equipment                                        (10,852)          (10,154)          (10,503)
   Cash paid related to acquisition of Mayan Automation, Inc.,
     net of $51 cash assumed                                                         (2,862)
   Cash paid related to acquisition of Acumen, Inc.,
     net of $200 cash assumed in 1995                                                  (137)           (1,277)           (6,454)
   Cash assumed in acquisition of Isys Controls, Inc.                                                     918
   Other                                                                               (156)              (71)             (294)
                                                                                -----------------------------------------------
   Net cash used in investing activities                                            (68,246)          (29,432)          (58,811)
                                                                                -----------------------------------------------
Cash flows from financing activities:
   Proceeds from issuance of stock under stock option,
     stock purchase, and bonus plans                                                  4,959             2,496             4,430
                                                                                -----------------------------------------------
   Net cash provided by financing activities                                          4,959             2,496             4,430
                                                                                -----------------------------------------------
Effect of exchange rate changes on cash                                                 569               339               131
                                                                                -----------------------------------------------
Net increase (decrease) in cash and cash equivalents                                (10,225)           24,512           (32,415)
Cash and cash equivalents at beginning of year                                       48,423            23,911            56,326
                                                                                -----------------------------------------------
Cash and cash equivalents at end of year                                             38,198            48,423            23,911
Investments                                                                         139,816            85,577            66,729
                                                                                -----------------------------------------------
Cash and investments                                                             $  178,014        $  134,000          $ 90,640
                                                                                ===============================================

</TABLE>

The accompanying notes are an integral part of these consolidated financial
statements.

                                       21

<PAGE>   11

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The accompanying consolidated financial statements reflect the application of
certain accounting policies described in this and other notes to the
consolidated financial statements.


NATURE OF OPERATIONS

Cognex Corporation (the Company) designs, develops, and markets machine vision
systems, or computers that can "see." The Company's products are used to
automate a wide range of manufacturing processes where vision is required. The
Company's primary customers, Original Equipment Manufacturers (OEMs) in the
semiconductor and electronics industries, are principally located in Japan and
the United States.


USE OF ESTIMATES IN THE PREPARATION OF FINANCIAL STATEMENTS

The preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions that
affect the reported amounts of assets and liabilities at the balance sheet date
and the reported amounts of revenues and expenses during the year. Actual
results could differ from those estimates.


BASIS OF CONSOLIDATION

The consolidated financial statements include the accounts of Cognex Corporation
and its subsidiaries, all of which are wholly-owned. All intercompany accounts
and transactions have been eliminated. Certain amounts reported in prior years
have been reclassified to be consistent with the current year's presentation.


FOREIGN CURRENCY

The financial statements of the Company's foreign subsidiaries, where the local
currency is the functional currency, are translated using exchange rates in
effect at the end of the year for assets and liabilities and average exchange
rates during the year for results of operations. The resulting foreign currency
translation adjustments are reported as a separate component of stockholders'
equity.


CASH AND INVESTMENTS

Cash and investments include cash equivalents, which the Company considers to be
all investments purchased with original maturities of three months or less.
Investments having original maturities in excess of three months are stated at
amortized cost, which approximates fair value, and are classified as
available-for-sale. The Company considers all of its investments to be available
for current operations and maintains its investments in securities which are
highly liquid and would not result in significant losses if sold prior to
maturity.


INVENTORIES

Inventories are stated at the lower of cost or market. Cost is determined on the
first-in, first-out basis.


PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment are stated at cost and depreciated using the
straight-line method over the assets' estimated useful lives. Buildings' useful
lives are 39 years, building improvements' useful lives are 10 years, and the
useful lives of computer hardware, computer software, and furniture and fixtures
range from two to seven years. Leasehold improvements are depreciated over the
shorter of the estimated useful lives or the remaining terms of the leases.
Maintenance and repairs


                                       22

<PAGE>   12

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

PROPERTY, PLANT AND EQUIPMENT (CONTINUED)

are expensed when incurred; additions and improvements are capitalized. Upon
retirement or disposition, the cost and related accumulated depreciation of the
assets disposed of are removed from the accounts, with any resulting gain or
loss included in current operations.


INTANGIBLE ASSETS

Intangible assets are stated at cost and amortized using the straight-line
method over the assets' estimated useful lives, which range from five to eight
years. The Company evaluates the possible impairment of long-lived assets,
including intangible assets, whenever events or circumstances indicate that the
carrying value of the assets may not be recoverable.


WARRANTY OBLIGATIONS

The Company provides warranties for its products for periods ranging from six
months to one year from the date of shipment, based upon the product being
purchased and the terms of the customer's contract. Estimated warranty
obligations are evaluated and recorded at the time of sale.


REVENUE RECOGNITION

Revenue from product sales and software licenses is recognized upon shipment.
Revenue from construction-type projects, which include research and development
contracts, is recognized using the percentage-of-completion method. Losses on
projects, if any, are recognized when identified. Service and maintenance
revenue is recognized as earned.


RESEARCH AND DEVELOPMENT

Research and development costs for internally-developed products are expensed
when incurred until technological feasibility has been established for the
product. Thereafter, all software costs are capitalized until the product is
available for general release to customers. The cost of acquired software is
capitalized for products determined to have reached technological feasibility;
otherwise, the cost is expensed. Capitalized software costs are amortized using
the straight-line method over the economic life of the product, typically three
to five years, or based upon the anticipated revenues of the product.


INCOME TAXES

The Company accounts for income taxes in accordance with Statement of Financial
Accounting Standards (SFAS) No. 109, "Accounting for Income Taxes." Under the
liability method prescribed by SFAS No. 109, a deferred tax asset or liability
is determined based on the differences between the financial statement and tax
basis of assets and liabilities as measured by the enacted tax rates which will
be in effect when these differences reverse. Tax credits are recorded as a
reduction in income taxes. Valuation allowances are provided if, based upon the
weight of available evidence, it is more likely than not that some or all of the
deferred tax assets will not be realized.


NET INCOME PER SHARE

The Company has adopted SFAS No. 128, "Earnings per Share," for the year ended
December 31, 1997, which included retroactively restating all prior periods for
which earnings per share (EPS) data is presented. SFAS No. 128 requires the
presentation of basic and diluted EPS. Basic EPS, which replaces primary EPS,
excludes dilution and is computed by dividing net income available to common
stockholders by the weighted-average number of common shares outstanding for the
period. Diluted EPS reflects the potential dilution that could occur if 
securities or other contracts to issue common stock were exer-


                                       23

<PAGE>   13

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

NET INCOME PER SHARE (CONTINUED)

cised or converted into common stock or resulted in the issuance of common stock
that then participates in the earnings of the entity. Diluted EPS is computed
similarly to fully diluted EPS under the previous rules. Dilutive common
equivalent shares consist of stock options, calculated using the treasury stock
method.


FINANCIAL INSTRUMENTS

FAIR VALUE

The Company's financial instruments consist primarily of cash and cash
equivalents, investments, trade receivables, trade payables, and forward
exchange contracts. The carrying amounts of cash and cash equivalents,
investments, trade receivables, and trade payables approximate fair value due to
the short maturity of these instruments. Based on year-end exchange rates and
the various maturity dates of the forward exchange contracts, the Company
estimates the aggregate contract value to be representative of the fair values
of these instruments.


CONCENTRATIONS OF CREDIT RISK

Financial instruments which potentially subject the Company to concentrations of
credit risk consist primarily of cash and cash equivalents, investments, and
trade receivables.


The Company invests in debt instruments of U.S. and state government entities.
The Company has established guidelines relative to credit ratings,
diversification, and maturities that maintain safety and liquidity. The Company
has not experienced any significant losses on its cash equivalents and
investments.


A significant portion of the Company's sales and receivables are from customers
in the semiconductor and electronics industries. The Company performs ongoing
credit evaluations of its customers and maintains allowances for potential
credit losses. The Company has not experienced any significant losses related to
the collection of its accounts receivable.


OFF-BALANCE SHEET RISK

In certain instances, the Company enters into forward exchange contracts to
hedge specific commitments against foreign currency fluctuations. The forward
exchange contracts are for periods consistent with its committed exposure and
require the Company to exchange foreign currencies for U.S. dollars at maturity,
at rates agreed upon at the inception of the contracts. For contracts that are
designated and effective as hedges, the gain or loss on the forward exchange
contract is deferred and included in the measurement of the related foreign
currency transaction. The Company had $7,900,000 of foreign exchange contracts
outstanding, all of which were in Japanese yen, at December 31, 1997. The
Company had no foreign exchange contracts outstanding at December 31, 1996.


FOREIGN CURRENCY RISK

The Company enters into transactions denominated in foreign currencies and
includes the exchange rate gain or loss arising from such transactions in
current operations. The Company recorded exchange rate losses of $155,000 in
1997, $1,027,000 in 1996, and $573,000 in 1995.


                                       24

<PAGE>   14

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

CASH AND INVESTMENTS

Cash and investments consist of the following:

<TABLE>
<CAPTION>
                                                                             DECEMBER 31,
(In thousands)                                                         1997                1996
- -------------------------------------------------------------------------------------------------
<S>                                                                  <C>                <C>
Cash                                                                 $  19,868          $  25,905

Municipal obligations with contractual maturities:

   Less than three months                                               18,330             22,518
                                                                   ------------------------------
     Total cash and cash equivalents                                    38,198             48,423

   Greater than three months and less than one year                     49,216             30,025

   Greater than one year                                                90,600             55,552
                                                                   ------------------------------
                                                                     $ 178,014          $ 134,000
                                                                   ==============================
</TABLE>
INVENTORIES

Inventories consist of the following:

<TABLE>
<CAPTION>
                                                                             DECEMBER 31,
(In thousands)                                                         1997               1996
- -----------------------------------------------------------------------------------------------
<S>                                                                  <C>                <C>
Raw materials                                                        $  4,425           $ 5,058

Work-in-process                                                         1,355               513

Finished goods                                                          2,004             1,442
                                                                     --------------------------
                                                                     $  7,784           $ 7,013
                                                                     ==========================
</TABLE>


In the third quarter of 1996, the Company recorded a $4,231,000 inventory charge
to "Cost of revenue." The charge reflected costs associated with excess
inventories resulting from product transition plans, as well as reduced
production plans caused by the slowdown in the semiconductor and electronics
industries.


                                       25

<PAGE>   15

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment consist of the following:

<TABLE>
<CAPTION>
                                                             DECEMBER 31,
(In thousands)                                       1997                    1996
- ----------------------------------------------------------------------------------
<S>                                                <C>                    <C>
Land                                               $  3,051               $  1,150
Buildings                                            17,563                 12,963
Building improvements                                 2,725                  1,883
Construction-in-process                                                      5,943
Computer hardware and software                       19,553                 13,921
Furniture and fixtures                                2,429                  1,713
Leasehold improvements                                  661                    477
                                                  --------------------------------
                                                     45,982                 38,050
Less: accumulated depreciation                      (12,987)                (9,719)
                                                  --------------------------------
                                                   $ 32,995               $ 28,331
                                                  ================================
</TABLE>

In December 1997, approximately $8,100,000 of expenditures related to new
computer information systems and a building addition, that had previously been
recorded in construction-in-process, were transferred to buildings, building
improvements, and computer hardware and software when they were placed in
service.


ACCRUED EXPENSES

Accrued expenses consist of the following:

<TABLE>
<CAPTION>
                                                          DECEMBER 31,
(In thousands)                                   1997                    1996
- -------------------------------------------------------------------------------
<S>                                            <C>                     <C>
Bonus                                          $  3,055                $   559
Payroll and related costs                         3,020                  2,066
Warranty                                          2,407                  1,284
Accrued acquisition costs                         1,237                    337
Professional fees                                 1,027                    938
Other                                             2,966                  1,823
                                             ----------------------------------
                                               $ 13,712                $ 7,007
                                             ==================================
</TABLE>


                                       26

<PAGE>   16

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


INCOME TAXES

The provision for income taxes consists of the following:

<TABLE>
<CAPTION>
                                                            YEAR ENDED DECEMBER 31,
(In thousands)                                    1997              1996               1995
- --------------------------------------------------------------------------------------------
<S>                                              <C>              <C>               <C>
Current:
   Federal                                       $ 17,048         $ 13,169          $ 14,083
   State                                            2,850              128             1,572
   Foreign                                            473              392               249
                                                --------------------------------------------
                                                   20,371           13,689            15,904

Deferred:
   Federal                                         (1,552)            (902)              (28)
   State                                           (1,029)             541            (1,297)
                                                --------------------------------------------
                                                 $ 17,790         $ 13,328          $ 14,579
                                                ============================================
</TABLE>



A reconciliation of the provision for income taxes at the federal statutory rate
is as follows:


<TABLE>
<CAPTION>
                                                                 YEAR ENDED DECEMBER 31,
                                                               1997       1996        1995
- ------------------------------------------------------------------------------------------
<S>                                                           <C>         <C>          <C>
Provision for income taxes at federal statutory rate            35%         35%        35%
Non-deductible charge for acquired in-process technology                                9
State income taxes, net of federal benefit                       2         2.5          2
Foreign Sales Corporation benefit                               (3)         (3)        (4)
Tax-exempt investment income                                    (3)         (3)        (2)
Tax credit utilization                                          (1)         (1)        (1)
Other                                                          0.5
                                                              ---------------------------
Provision for income taxes                                    30.5%       30.5%        39%
                                                              ===========================
</TABLE>


                                       27

<PAGE>   17

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


INCOME TAXES (CONTINUED)

Deferred income taxes reflect the tax impact of temporary differences between
the amount of assets and liabilities for financial reporting purposes and such
amounts as measured by tax laws and regulations. The tax effects of the
principal items making up deferred income taxes are as follows:

<TABLE>
<CAPTION>
                                                                       DECEMBER 31,
(In thousands)                                                    1997              1996
- -----------------------------------------------------------------------------------------
<S>                                                              <C>             <C>
Current deferred tax assets:
   Vacation, bad debt and other                                  $ 1,296         $   936
   Inventory, warranty and other                                   1,833           1,461
   Other                                                             324             245
                                                                 -----------------------
Total net current deferred tax asset                             $ 3,453         $ 2,642
                                                                 =======================
Noncurrent deferred tax assets (liabilities):
   State net operating loss and credit carryforwards             $   888         $   574
   Acquired complete technology                                     (376)           (630)
   Acquired incomplete technology                                  1,099
   Depreciation                                                     (234)           (337)
                                                                 -----------------------
Total net noncurrent deferred tax asset (liability)              $ 1,377         $  (393)
                                                                 =======================
</TABLE>


The Company's state credit carryforwards, net of federal tax impact, are
approximately $888,000, a portion of which will begin to expire in the year
2010.


LEASES

The Company conducts certain of its operations in leased facilities. These lease
agreements expire at various dates through the year 2002 and are accounted for
as operating leases. Annual rent expense totaled $1,637,000 in 1997, $1,324,000
in 1996, and $996,000 in 1995. Future minimum rental payments under these
agreements are as follows at December 31, 1997 (in thousands):

<TABLE>
<CAPTION>
                     YEAR          AMOUNT
                    ----------------------
<S>                               <C>
                     1998         $   985
                     1999             815
                     2000             712
                     2001             210
                     2002             152
                                  --------
                                  $ 2,874
                                  ========
</TABLE>


                                       28

<PAGE>   18

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


LEASES (CONTINUED)

In June 1995, the Company purchased an 83,000 square-foot office building
adjacent to its corporate headquarters. The building is currently occupied with
tenants who have lease agreements that expire at various dates through the year
2000. Annual rental income totaled $1,428,000 in 1997, $1,326,000 in 1996, and
$536,000 in 1995. Rental income and related expenses are presented on the
Consolidated Statements of Income as "Other income (expense)." Future minimum
rental receipts under non-cancelable lease agreements are as follows at December
31, 1997 (in thousands):



<TABLE>
<CAPTION>
                            YEAR               AMOUNT
                           ---------------------------
<S>                                           <C>
                            1998              $ 1,343
                            1999                1,181
                            2000                  994
                                             ---------
                                              $ 3,518
                                             =========
</TABLE>

COMMITMENTS

The Company has agreements with third-party contractors to perform the majority
of component procurement, subassembly, final assembly, and initial testing for
the hardware portion of its vision systems. After the completion of initial
testing, the third-party contractors deliver the products to the Company to
perform final testing and assembly. At December 31, 1997, the Company had
unconditional obligations to purchase $5,570,000 of inventory from third-party
contractors within 60 days. These purchase commitments relate to expected sales
in 1998.


STOCKHOLDERS' EQUITY

COMMON AND PREFERRED STOCK

On November 14, 1995, the Company announced a two-for-one stock split, effected
in the form of a stock dividend, payable December 18, 1995 to stockholders of
record at the close of business December 1, 1995. Accordingly, $39,000
representing the par value of the additional shares issued was transferred from
additional paid-in capital to common stock. These consolidated financial
statements and related notes have been retroactively adjusted, as appropriate,
to reflect this two-for-one stock split.


In April 1996, an amendment to the Company's Articles of Organization was
adopted to increase the number of authorized shares of common stock from
60,000,000 shares to 120,000,000 shares.


The Company has 400,000 shares of authorized but unissued $.01 par value
preferred stock.


STOCK-BASED COMPENSATION PLANS

The Company has adopted the disclosure requirements of SFAS No. 123, "Accounting
for Stock-Based Compensation." The Company continues to recognize compensation
costs using the intrinsic value based method described in Accounting Principles
Board Opinion No. 25, "Accounting for Stock Issued to Employees." No
compensation costs were recognized in 1997, 1996, and 1995.


                                       29

<PAGE>   19
COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

STOCKHOLDERS' EQUITY (CONTINUED)

STOCK-BASED COMPENSATION PLANS (CONTINUED)

Net income and net income per share as reported in these consolidated financial
statements and on a pro forma basis, as if the fair value based method described
in SFAS No. 123 had been adopted, are as follows:


<TABLE>
<CAPTION>
                                                                   YEAR ENDED DECEMBER 31,
(In thousands, except per share amounts)                        1997        1996        1995
- ----------------------------------------------------------------------------------------------
<S>                                          <C>              <C>         <C>         <C>
Net income                                   As reported      $ 40,536    $ 30,369    $ 23,034

                                             Pro forma          34,380      25,204      21,652

Basic net income per share                   As reported           .98         .75         .60

                                             Pro forma             .83         .62         .57

Diluted net income per share                 As reported           .91         .69         .55

                                             Pro forma             .74         .59         .52
</TABLE>


The effects of applying SFAS No. 123 for the purpose of providing pro forma
disclosures may not be indicative of the effects on reported net income and net
income per share for future years, as the pro forma disclosures include the
effects of only those awards granted after January 1, 1995.


STOCK OPTION PLANS

At December 31, 1997, the Company had 8,672,000 shares approved by the Board of
Directors and stockholders for grant under the following stock option plans: the
1992 Director plan, 352,000; the 1993 Director plan, 320,000; and the 1993
Employee plan, 8,000,000. In April 1996, an amendment was adopted to increase
the number of shares of common stock reserved for issuance under the 1993
Employee plan from 5,000,000 shares to 8,000,000 shares.


In connection with the acquisition of Isys Controls, Inc. in February 1996, the
Company adopted the 1996 Long-Term Incentive Plan. This plan provided for the
grant of 321,589 shares of either restricted common stock or options to purchase
restricted stock. Other than restrictions that limit the sale and transfer of
the restricted stock within 20 years from the date of grant, participants are
entitled to all of the rights of a stockholder.


Options vest over various periods, not exceeding 10 years, and expire no later
than 20 years from the date of grant.


On July 30, 1996, the Company granted 1,177,830 options at the current fair
market value with similar terms and conditions to previously issued but
unexercised grants. In exchange for the new grants, employees agreed to forfeit
their prior options.


                                       30

<PAGE>   20
COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

STOCKHOLDERS' EQUITY (CONTINUED)

STOCK OPTION PLANS (CONTINUED)

The following table summarizes the status of the Company's stock option plans at
December 31, 1997, 1996, and 1995, and changes during the years then ended:

<TABLE>
<CAPTION>
                                                1997                          1996                           1995
                                        ------------------------    --------------------------    ---------------------------
                                                      WEIGHTED-                    WEIGHTED-                     WEIGHTED-
                                                       AVERAGE                      AVERAGE                       AVERAGE
                                                      EXERCISE                     EXERCISE                      EXERCISE
                                          SHARES        PRICE         SHARES         PRICE          SHARES         PRICE
- -----------------------------------------------------------------------------------------------------------------------------
<S>                                      <C>          <C>           <C>            <C>            <C>              <C>
Outstanding at beginning of year         8,014,386    $   8.34       7,699,826     $   9.10        7,882,832        $   5.69
   Granted at fair market value          1,450,521       24.55         933,915        16.80        1,397,874           21.74
   Granted above fair market value          91,500       26.41       1,807,583        16.18           71,000           26.39
   Exercised                              (996,965)       4.87        (518,925)        3.18       (1,312,392)           3.36
   Forfeited                              (794,535)      10.05      (1,908,013)       24.39         (339,488)           7.73
                                        ----------                  ----------                    ----------
Outstanding at end of year               7,764,907       11.85       8,014,386         8.34        7,699,826            9.10
                                        ==========                  ==========                    ==========
Options exercisable at year-end          2,140,956        6.14       2,128,058         4.40        1,389,164            3.17

Weighted-average grant-date fair
   value of options granted during
   the year at fair market value           $ 12.48                     $ 11.78                       $ 11.19
Weighted-average grant-date fair
   value of options granted during
   the year above fair market value        $ 11.50                    $   4.46                       $ 10.17
</TABLE>


                                       31

<PAGE>   21

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


STOCKHOLDERS' EQUITY (CONTINUED)
STOCK OPTION PLANS (CONTINUED)

The following table summarizes information about stock options outstanding at
December 31, 1997:

<TABLE>
<CAPTION>
                                      OPTIONS OUTSTANDING                      OPTIONS EXERCISABLE
                       ------------------------------------------------    ----------------------------
                                       WEIGHTED-AVERAGE       WEIGHTED-                       WEIGHTED-
                                           REMAINING           AVERAGE                        AVERAGE
    RANGE OF             NUMBER        CONTRACTUAL LIFE       EXERCISE       NUMBER           EXERCISE
EXERCISE PRICES        OUTSTANDING        (IN YEARS)           PRICE       EXERCISABLE         PRICE
- -----------------------------------------------------------------------------------------------------------
<S>                    <C>             <C>                    <C>          <C>               <C>
$   .50 -   6.00        1,445,405             5.3             $   3.28     1,251,686         $   3.08

   6.06 -   7.00          169,913             7.0                 6.82       100,455             6.85

   7.12 -   7.50        2,516,800            10.7                 7.50       289,800             7.49

   7.94 - 14.19           727,790             6.9                11.57       302,938            11.25

  14.50 - 14.50         1,105,863             8.4                14.50       151,150            14.50

  14.56 - 23.44         1,091,570             9.5                19.80        34,142            16.84

  24.00 - 36.31           707,566             9.6                29.91        10,785            22.89
                        ---------                                          ---------
    .50 - 36.31         7,764,907             8.7                11.85     2,140,956             6.14
                        =========                                          =========
</TABLE>



For the purpose of providing pro forma disclosures, the fair values of options
granted were estimated using the Black-Scholes option-pricing model with the
following weighted-average assumptions used for grants in 1997, 1996, and 1995,
respectively: a risk-free interest rate of 6.3%, 6.3%, and 5.9%; an expected
life of 5.1, 4.4, and 4.5 years; expected volatility of 50%; and no expected
dividends.


EMPLOYEE STOCK PURCHASE PLAN

Under the Company's Employee Stock Purchase Plan (ESPP), employees who have
completed six months of continuous employment with the Company may purchase
common stock semi-annually at the lower of 85% of the fair market value of the
stock at the beginning or end of the six-month payment period, through
accumulation of payroll deductions. Employees are required to hold stock
purchased under the ESPP for a period of one year from the date of purchase.
Common stock reserved for future sales totaled 463,534 shares at December 31,
1997. Shares purchased under the ESPP totaled 22,436 in 1997, 27,215 in 1996,
and 16,133 in 1995. The weighted-average fair value of shares purchased under
the ESPP was $5.08 in 1997, $6.82 in 1996, and $3.74 in 1995.


For the purpose of providing pro forma disclosures, the fair values of shares
purchased were estimated using the Black-Scholes option-pricing model with the
following weighted-average assumptions used for purchases in 1997, 1996, and
1995: a risk-free interest rate of 5.3%, 5.3%, and 6.1%, respectively; an
expected life of six months; expected volatility of 50%; and no expected
dividends.


EMPLOYEE SAVINGS PLAN

Under the Company's Employee Savings Plan, a defined contribution plan,
employees who have attained age 21 may contribute 1% to 15% of their salary on a
pre-tax basis. Employer contributions are made at the discretion of management
and vest after five years of continuous employment with the Company. Employer
contributions approximated $400,000 in 1997, $300,000 in 1996, and $200,000 in
1995.


                                       32

<PAGE>   22

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


NET INCOME PER SHARE

Net income per share is calculated as follows:

<TABLE>
<CAPTION>
                                                                   YEAR ENDED DECEMBER 31,
(In thousands, except per share amounts)                  1997              1996             1995
- ---------------------------------------------------------------------------------------------------
<S>                                                   <C>              <C>              <C>
Net income                                               $ 40,536         $ 30,369         $ 23,034
                                                         ========         ========         ========
Basic:
   Weighted-average common shares outstanding              41,322           40,594           38,175
                                                         ========         ========         ========
   Net income per common share                           $    .98         $    .75         $    .60
                                                         ========         ========         ========
Diluted:
   Weighted-average common shares outstanding              41,322           40,594           38,175
   Effect of dilutive securities:
     Stock options                                          3,380            3,220            3,777
                                                         --------         --------         --------
   Weighted-average common and common
     equivalent shares outstanding                         44,702           43,814           41,952
                                                         ========         ========         ========
   Net income per common and common
     equivalent share                                    $    .91         $    .69         $    .55
                                                         ========         ========         ========
</TABLE>


Stock options to purchase 545,386 and 66,500 shares of common stock were
outstanding during the years ended December 31, 1997 and 1996, respectively, but
were not included in the calculations of diluted EPS because the option's
exercise price was greater than the average market price of the Company's common
shares during those years. Although these options were antidilutive in 1997 and
1996, because they were still outstanding at December 31, 1997, they may be
dilutive in future years' calculations. There were no options that were
antidilutive in the 1995 calculation of diluted EPS that were still outstanding
at December 31, 1997. The 545,386 options consisted of the following grants:
2,000 at $26.50 granted March 1996; 60,000 at $26.50 granted July 1996; 50,000
at $30.00, 56,370 at $32.63, and 180,936 at $32.81 granted July 1997; 45,820 at
$36.31 granted August 1997; 20,500 at $35.25 granted September 1997; 55,400 at
$32.00 granted October 1997; 53,360 at $28.56 granted November 1997; and 21,000
at $27.00 granted December 1997. The 66,500 options outstanding at December 31,
1996 consisted of the following grants: 2,000 at $26.50 granted March 1996;
4,500 at $24.00 granted June 1996; and 60,000 at $26.50 granted July 1996. All
of the options listed above expire 10 years from the date of grant.


                                       33

<PAGE>   23

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

SEGMENT INFORMATION

During the years ended December 31, 1997, 1996, and 1995, one customer accounted
for $27,292,000, $13,765,000, and $17,237,000, or 18%, 11%, and 16%,
respectively, of revenue. The following table summarizes domestic and foreign
sales:


<TABLE>
<CAPTION>
                                            YEAR ENDED DECEMBER 31, 1997
(In thousands)                        1997              1996             1995
- --------------------------------------------------------------------------------
<S>                                  <C>              <C>               <C>
Domestic:

    United States                    $ 59,723         $ 55,216          $ 42,619
    Export
       Japan                           51,453           33,988            48,466
       Europe                          22,177           15,958            12,243
       Rest of world                    4,534            2,464             1,215

Foreign:
    Japan                              17,453           15,217
                                     --------         --------          --------
                                     $155,340         $122,843          $104,543
                                     ========         ========          ========
</TABLE>


                                       34

<PAGE>   24

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

SEGMENT INFORMATION (CONTINUED)

The following table summarizes information about the Company's 1997 and 1996
operations in significant geographic areas (in thousands). Operations in
geographic areas other than the United States were not material prior to 1996.

<TABLE>
<CAPTION>
YEAR ENDED DECEMBER 31, 1997           UNITED STATES            JAPAN            ELIMINATIONS       CONSOLIDATED
- -----------------------------------------------------------------------------------------------------------------
<S>                                    <C>                     <C>               <C>                <C>
Revenue:
    Unaffiliated customers               $ 137,887             $ 17,453                               $ 155,340
    Intercompany                            10,336                                 $(10,336)                   
                                         ---------             --------            --------           ---------
Total revenue                              148,223               17,453             (10,336)            155,340

Income (loss) from operations               51,682                  (21)                                 51,661

Identifiable assets                        259,608               10,562              (8,330)            261,840
</TABLE>


<TABLE>
<CAPTION>
YEAR ENDED DECEMBER 31, 1996           UNITED STATES            JAPAN            ELIMINATIONS       CONSOLIDATED
- -----------------------------------------------------------------------------------------------------------------
<S>                                    <C>                     <C>               <C>                <C>
Revenue:
    Unaffiliated customers               $ 107,626             $ 15,217                               $ 122,843
    Intercompany                             9,755                                 $ (9,755)
                                         ---------             --------            --------           ---------
Total revenue                              117,381               15,217              (9,755)            122,843

Income (loss) from operations               39,162                 (869)                                 38,293

Identifiable assets                        200,425                6,801              (5,973)            201,253
</TABLE>



Inventories are transferred to the Company's Japanese subsidiary at previously
established transfer prices, resulting in intercompany revenue, as well as
intercompany receivables for the United States operation. All intercompany
transactions are eliminated in consolidation.


                                       35

<PAGE>   25

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS






ACQUISITION OF MAYAN AUTOMATION, INC.

On July 31, 1997, the Company acquired selected assets and assumed selected
liabilities of Mayan Automation, Inc. (Mayan), a developer of low-cost machine
vision systems used for surface inspection, for $4,800,000 in cash, of which
$1,800,000 will be paid through the year 1999. Of the $1,800,000 of future cash
payments, $900,000 represents payments contingent upon the attainment of certain
performance milestones. The acquisition was accounted for under the purchase
method of accounting. Accordingly, Mayan's results of operations have been
included in the Company's consolidated results of operations since the date of
acquisition. Mayan's historical results of operations were not material compared
to the Company's consolidated results of operations, and therefore, pro forma
results are not presented.


The purchase price was allocated among the identifiable assets of Mayan. After
allocating the purchase price to the net tangible assets, acquired technology
was valued using a risk-adjusted cash flow model, under which future cash flows
were discounted taking into account risks related to existing markets, the
technology's life expectancy, future target markets and potential changes
thereto, and the competitive outlook for the technology. This analysis resulted
in an allocation of $400,000 to complete technology, to be amortized over five
years, and $3,115,000 to in-process technology which had not reached
technological feasibility and had no alternative future use, and accordingly,
was expensed immediately. Up to an additional $900,000 of contingent
consideration will be recorded as purchase price when paid and will be allocated
to goodwill to be amortized over the remaining period of expected benefit.


                                       36

<PAGE>   26

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


ACQUISITION OF ISYS CONTROLS, INC.

On February 29, 1996, the Company acquired Isys Controls, Inc. (Isys), a
developer of machine vision systems for high-speed surface inspection. The
acquisition was accounted for as a pooling of interests, and therefore, the
results of operations of Isys for the full year are included in the consolidated
financial statements of the Company for the year ended December 31, 1996. For
years presented prior to the acquisition, the financial position and results of
operations of Isys were not material to the previously reported financial
position and results of operations of the Company, and therefore, these years
have not been restated.


ACQUISITION OF ACUMEN, INC.

On July 21, 1995, the Company acquired all of the outstanding shares of Acumen,
Inc. (Acumen), a developer of machine vision systems for semiconductor wafer
identification. The purchase price of $13,950,000 included $8,452,000 in cash,
96,140 shares of Cognex common stock with a fair value of $4,170,000, and Cognex
stock options valued at $1,328,000. At December 31, 1997, 1996, and 1995,
$1,598,000, $1,935,000, and $3,125,000, respectively, of the purchase price
remained to be paid in cash and stock options through the year 2001. The
acquisition was accounted for under the purchase method of accounting.
Accordingly, Acumen's results of operations have been included in the Company's
consolidated results of operations since the date of acquisition.


                                       37

<PAGE>   27

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

SUPPLEMENTAL STATEMENT OF CASH FLOWS DISCLOSURE

Cash paid for income taxes totaled $12,564,000 in 1997, $11,218,000 in 1996, and
$7,982,000 in 1995.


Common stock received as payment for stock option exercises totaled $547,000 in
1997 and $397,000 in 1995.


The Company retired certain fully-depreciated property, plant and equipment
totaling $1,056,000 in 1997 and $3,049,000 in 1995.


In 1996, the Company exchanged 1,078,380 shares of Cognex common stock for Isys
common shares, and 253,547 shares of Cognex common stock for Isys restricted
common shares, with similar restrictions, in connection with the acquisition of
Isys.


                                       38

<PAGE>   28

COGNEX CORPORATION - REPORT OF INDEPENDENT ACCOUNTANTS


TO THE BOARD OF DIRECTORS AND STOCKHOLDERS OF COGNEX CORPORATION:

We have audited the accompanying consolidated balance sheets of Cognex
Corporation as of December 31, 1997 and 1996 and the related consolidated
statements of income, stockholders' equity, and cash flows for each of the three
years in the period ended December 31, 1997. These financial statements are the
responsibility of the Company's management. Our responsibility is to express an
opinion on these financial statements based on our audits.



We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.



In our opinion, the financial statements referred to above present fairly, in
all material respects, the consolidated financial position of Cognex Corporation
at December 31, 1997 and 1996 and the consolidated results of its operations and
its cash flows for each of the three years in the period ended December 31,
1997, in conformity with generally accepted accounting principles.



                                   

Boston, Massachusetts                               /s/ COOPERS & LYBRAND L.L.P.

January 23, 1998


                                       39

<PAGE>   29

COGNEX CORPORATION
FIVE-YEAR SUMMARY OF SELECTED FINANCIAL DATA


<TABLE>
<CAPTION>
                                                                                   YEAR ENDED DECEMBER 31,
(In thousands, except per share amounts)                       1997        1996(1)(2)        1995         1994           1993
- -------------------------------------------------------------------------------------------------------------------------------
<S>                                                         <C>            <C>            <C>           <C>            <C>
Statement of Income Data:

   Revenue                                                  $ 155,340      $ 122,843      $ 104,543     $ 62,484       $ 43,371
   Cost of revenue                                             42,273         38,855         22,543       13,884         10,280
                                                            -------------------------------------------------------------------
   Gross margin                                               113,067         83,988         82,000       48,600         33,091
   Research, development and engineering expenses              22,481         19,434         13,190        9,933          6,205
   Selling, general and administrative expenses                35,810         26,261         23,973       16,847         12,183
   Charge for acquired in-process technology                    3,115                        10,189
                                                            -------------------------------------------------------------------
   Income from operations                                      51,661         38,293         34,648       21,820         14,703
   Investment and other income                                  6,665          5,404          2,965        1,462          1,316
                                                            -------------------------------------------------------------------
   Income before provision for income taxes                    58,326         43,697         37,613       23,282         16,019
   Provision for income taxes                                  17,790         13,328         14,579        7,210          4,871
                                                            -------------------------------------------------------------------
   Net income                                               $  40,536      $  30,369      $  23,034     $ 16,072       $ 11,148
                                                            ===================================================================
   Basic net income per share (3)                           $     .98      $     .75      $     .60     $    .47       $    .33
                                                            ===================================================================
   Diluted net income per share (3)                         $     .91      $     .69      $     .55     $    .43       $    .31
                                                            ===================================================================
   Basic weighted-average common shares
     outstanding (3)                                           41,322         40,594         38,175       34,560         33,632
                                                            ===================================================================
   Diluted weighted-average common shares
     outstanding (3)                                           44,702         43,814         41,952       37,150         35,668
                                                            ===================================================================
</TABLE>

<TABLE>
<CAPTION>
                                                                                        DECEMBER 31,
(In thousands)                                                1997            1996          1995          1994          1993
- -------------------------------------------------------------------------------------------------------------------------------
<S>                                                         <C>            <C>            <C>          <C>             <C>
Balance Sheet Data:

   Working capital                                          $ 199,570      $ 152,817      $ 119,402     $  88,619      $ 51,605

   Total assets                                               261,840        201,253        162,172       112,946        60,810

   Long-term debt                                                 --             --             --            --            --

   Stockholders' equity                                       236,142        182,689        143,916       103,608        55,061
</TABLE>



 (1) 1996 results include the full year results of Isys Controls, Inc. (Isys), a
     developer of machine vision systems for high-speed surface inspection
     acquired in February 1996. The Isys acquisition was accounted for as a
     pooling of interests; however, because the results of Isys for prior years
     were not material to the Company's previously reported results, prior years
     have not been restated.

 (2) Cost of revenue includes a $4,231,000 inventory charge for costs associated
     with excess inventories resulting from product transition plans, as well as
     reduced production plans.

 (3) Adjusted for the 2-for-1 stock splits effective December 18, 1995 and
     September 30, 1993.


                                       40

<PAGE>   30

COGNEX CORPORATION
SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

<TABLE>
<CAPTION>
                                                                                       QUARTER ENDED
                                                            -----------------------------------------------------------------
                                                             MARCH 30,       JUNE 29,         SEPTEMBER 28,       DECEMBER 31,
(In thousands, except per share amounts)                       1997            1997               1997                1997
- -----------------------------------------------------------------------------------------------------------------------------
<S>                                                         <C>              <C>              <C>                 <C>
Revenue                                                     $ 28,143         $ 36,271          $ 43,936             $ 46,990
Gross margin                                                  20,448           26,331            32,476               33,812
Charge for acquired in-process technology                                                         3,115
Income from operations                                         7,850           12,069            13,976               17,766
Net income                                                     6,491            9,372            10,941               13,732
Basic net income per share                                       .16              .23               .26                  .33
Diluted net income per share                                     .15              .21               .24                  .31
Common stock prices:
   High                                                       21.750           27.500            38.500               34.375
   Low                                                        17.500           19.000            26.375               22.250
</TABLE>

<TABLE>
<CAPTION>
                                                                                       QUARTER ENDED
                                                            --------------------------------------------------------------
                                                             MARCH 31,       JUNE 30,         SEPTEMBER 29,    DECEMBER 31,
(In thousands, except per share amounts)                       1996            1996             1996(1)            1996
- --------------------------------------------------------------------------------------------------------------------------
<S>                                                         <C>              <C>              <C>              <C>
Revenue                                                     $ 34,887         $ 34,949          $ 26,540          $ 26,467
Gross margin                                                  25,681           25,358            14,243            18,706
Income from operations                                        14,570           13,690             2,913             7,120
Net income                                                    10,829           10,134             3,244             6,162
Basic net income per share                                       .27              .25               .08               .15
Diluted net income per share                                     .25              .23               .08               .14
Common stock prices:
   High                                                       35.000           29.000            17.250            21.250
   Low                                                        18.000           15.750            11.750            12.250
</TABLE>


(1)Cost of revenue includes a $4,231,000 inventory charge for costs associated
   with excess inventories resulting from product transition plans, as well as
   reduced production plans.


                                       41

<PAGE>   31

COGNEX CORPORATION - COMPANY INFORMATION


TRANSFER AGENT

BankBoston, N.A. c/o Boston EquiServe, L.P.
P.O. Box 8040
Boston, Massachusetts 02266-8040
Telephone (781) 575-3100


GENERAL COUNSEL

Hutchins, Wheeler & Dittmar - Boston, Massachusetts


INDEPENDENT ACCOUNTANTS

Coopers & Lybrand L.L.P. - Boston, Massachusetts


FORM 10-K

A copy of the annual report filed with the Securities and Exchange Commission on
Form 10-K is available to stockholders, without charge, upon request to:


Department of Investor Relations
Cognex Corporation
One Vision Drive
Natick, MA 01760


Additional copies of this annual report are also available, without charge, upon
request to the above address.


The Company's common stock is traded on The NASDAQ Stock Market, under the
symbol CGNX. As of February 12, 1998, there were approximately 17,000 registered
and non-registered holders of the Company's common stock.


No dividends on the Company's common stock were paid during 1997 and 1996.


                                       42

<PAGE>   1
                                                                      EXHIBIT 21

                               COGNEX CORPORATION
                         SUBSIDIARIES OF THE REGISTRANT


        At December 31, 1997, the registrant had the following subsidiaries, the
   financial statements of which are all included in the consolidated financial
   statements of the registrant:

<TABLE>
<CAPTION>
                                            
       NAME OF SUBSIDIARY                         STATE/COUNTRY OF INCORPORATION        PERCENT OWNERSHIP
       ------------------                         ------------------------------        -----------------
<S>                                               <C>                                   <C>
   Cognex Technology and Investment                
     Corporation                                  California                                    100%

   Cognex Canada Technology, Inc.                 California                                    100%

   Vision Drive, Inc.                             Delaware                                      100%

   Isys Controls, Inc.                            California                                    100%

   Cognex Foreign Sales Corporation               Barbados                                      100%

   Cognex K.K.                                    Japan                                         100%

   Cognex International, Inc.                     Delaware                                      100%

   Cognex Germany, Inc.                           Massachusetts                                 100%

   Cognex Singapore, Inc.                         Delaware                                      100%

   Cognex Korea, Inc.                             Delaware                                      100%

   Cognex Taiwan, Inc.                            Delaware                                      100%

   Cognex Canada, Inc.                            Delaware                                      100%
</TABLE>


<PAGE>   1
                                                                      EXHIBIT 23

                       CONSENT OF INDEPENDENT ACCOUNTANTS


        We consent to the incorporation by reference in the registration
statements of Cognex Corporation on Form S-8 (File Nos. 33-31657, 33-32815,
33-36262, 33-36263, 33-72636, 33-72638, 33-81150, 33-81152, 333-2151, and
333-4621) of our reports dated January 23, 1998 on our audits of the
consolidated financial statements and financial statement schedule of Cognex
Corporation as of December 31, 1997 and 1996, and for each of the three years in
the period ended December 31, 1997, which reports are incorporated by reference
or included in this Annual Report on Form 10-K.

Boston, Massachusetts                              /s/ COOPERS & LYBRAND L.L.P.
March 27, 1998




<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF COGNEX CORPORATION FOR THE YEAR ENDED
DECEMBER 31, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH 
CONSOLIDATED FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                      38,198,000
<SECURITIES>                               139,816,000
<RECEIVABLES>                               27,035,000
<ALLOWANCES>                                 1,940,000
<INVENTORY>                                  7,784,000
<CURRENT-ASSETS>                           224,006,000
<PP&E>                                      45,982,000
<DEPRECIATION>                              12,987,000
<TOTAL-ASSETS>                             261,840,000
<CURRENT-LIABILITIES>                       24,436,000
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        84,000
<OTHER-SE>                                 236,058,000
<TOTAL-LIABILITY-AND-EQUITY>               261,840,000
<SALES>                                    155,340,000
<TOTAL-REVENUES>                           155,340,000
<CGS>                                       42,273,000
<TOTAL-COSTS>                               42,273,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                             58,326,000
<INCOME-TAX>                                17,790,000
<INCOME-CONTINUING>                         40,536,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                40,536,000
<EPS-PRIMARY>                                      .98
<EPS-DILUTED>                                      .91
        



</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF COGNEX CORPORATION FOR THE QUARTER ENDED
MARCH 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
CONSOLIDATED FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1
<CURRENCY> US DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-30-1997
<EXCHANGE-RATE>                                      1
<CASH>                                      55,814,000
<SECURITIES>                                86,020,000
<RECEIVABLES>                               18,892,000
<ALLOWANCES>                                   989,000
<INVENTORY>                                  7,968,000
<CURRENT-ASSETS>                           179,061,000
<PP&E>                                      39,715,000
<DEPRECIATION>                              10,791,000
<TOTAL-ASSETS>                             211,293,000
<CURRENT-LIABILITIES>                       18,653,000
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        82,000
<OTHER-SE>                                 190,619,000
<TOTAL-LIABILITY-AND-EQUITY>               211,293,000
<SALES>                                     28,143,000
<TOTAL-REVENUES>                            28,143,000
<CGS>                                        7,695,000
<TOTAL-COSTS>                                7,695,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                              9,340,000
<INCOME-TAX>                                 2,849,000
<INCOME-CONTINUING>                          6,491,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 6,491,000
<EPS-PRIMARY>                                      .16
<EPS-DILUTED>                                      .15
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF COGNEX CORPORATION FOR THE QUARTER ENDED
JUNE 29, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH CONSOLIDATED
FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1
<CURRENCY> US DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             MAR-31-1997
<PERIOD-END>                               JUN-29-1997
<EXCHANGE-RATE>                                      1
<CASH>                                      44,803,000
<SECURITIES>                                96,695,000
<RECEIVABLES>                               27,318,000
<ALLOWANCES>                                 1,296,000
<INVENTORY>                                  6,645,000
<CURRENT-ASSETS>                           188,848,000
<PP&E>                                      42,979,000
<DEPRECIATION>                              12,047,000
<TOTAL-ASSETS>                             222,992,000
<CURRENT-LIABILITIES>                       18,889,000
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        83,000
<OTHER-SE>                                 202,241,000
<TOTAL-LIABILITY-AND-EQUITY>               222,992,000
<SALES>                                     36,271,000
<TOTAL-REVENUES>                            36,271,000
<CGS>                                        9,940,000
<TOTAL-COSTS>                                9,940,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                             13,485,000
<INCOME-TAX>                                 4,113,000
<INCOME-CONTINUING>                          9,372,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 9,372,000
<EPS-PRIMARY>                                      .23
<EPS-DILUTED>                                      .21
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY INFORMATION EXTRACTED FROM THE CONSOLIDATED
FINANCIAL STATEMENTS OF COGNEX CORPORATION FOR THE QUARTER ENDED SEPTEMBER 28,
1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH CONSOLIDATED
FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1
<CURRENCY> US DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JUN-30-1997
<PERIOD-END>                               SEP-28-1997
<EXCHANGE-RATE>                                      1
<CASH>                                      38,600,000
<SECURITIES>                               115,443,000
<RECEIVABLES>                               33,180,000
<ALLOWANCES>                                 1,618,000
<INVENTORY>                                  8,158,000
<CURRENT-ASSETS>                           207,808,000
<PP&E>                                      43,708,000
<DEPRECIATION>                              11,861,000
<TOTAL-ASSETS>                             243,322,000
<CURRENT-LIABILITIES>                       22,232,000
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        83,000
<OTHER-SE>                                 219,611,000
<TOTAL-LIABILITY-AND-EQUITY>               243,322,000
<SALES>                                     43,936,000
<TOTAL-REVENUES>                            43,936,000
<CGS>                                       11,460,000
<TOTAL-COSTS>                               11,460,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                             15,744,000
<INCOME-TAX>                                 4,803,000
<INCOME-CONTINUING>                         10,941,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                10,941,000
<EPS-PRIMARY>                                      .26
<EPS-DILUTED>                                      .24
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF COGNEX CORPORATION FOR THE QUARTER ENDED
MARCH 31, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
CONSOLIDATED FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1
<CURRENCY> US DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<EXCHANGE-RATE>                                      1
<CASH>                                      40,989,000
<SECURITIES>                                68,264,000
<RECEIVABLES>                               22,628,000
<ALLOWANCES>                                   553,000
<INVENTORY>                                 12,610,000
<CURRENT-ASSETS>                           154,574,000
<PP&E>                                      30,471,000
<DEPRECIATION>                               6,653,000
<TOTAL-ASSETS>                             182,368,000
<CURRENT-LIABILITIES>                       20,332,000
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        81,000
<OTHER-SE>                                 160,008,000
<TOTAL-LIABILITY-AND-EQUITY>               182,368,000
<SALES>                                     34,887,000
<TOTAL-REVENUES>                            34,887,000
<CGS>                                        9,206,000
<TOTAL-COSTS>                                9,206,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                             15,581,000
<INCOME-TAX>                                 4,752,000
<INCOME-CONTINUING>                         10,829,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                         0
<EPS-PRIMARY>                                      .27
<EPS-DILUTED>                                      .25
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF COGNEX CORPORATION FOR THE QUARTER ENDED
JUNE 30, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH CONSOLIDATED
FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1
<CURRENCY> US DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             APR-01-1996
<PERIOD-END>                               JUN-30-1996
<EXCHANGE-RATE>                                      1
<CASH>                                      37,193,000
<SECURITIES>                                76,818,000
<RECEIVABLES>                               22,537,000
<ALLOWANCES>                                   583,000
<INVENTORY>                                 12,800,000
<CURRENT-ASSETS>                           161,188,000
<PP&E>                                      32,270,000
<DEPRECIATION>                               7,565,000
<TOTAL-ASSETS>                             189,846,000
<CURRENT-LIABILITIES>                       15,036,000
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        81,000
<OTHER-SE>                                 172,812,000
<TOTAL-LIABILITY-AND-EQUITY>               189,846,000
<SALES>                                     34,949,000
<TOTAL-REVENUES>                            34,949,000
<CGS>                                        9,591,000
<TOTAL-COSTS>                                9,591,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                             15,022,000
<INCOME-TAX>                                 4,888,000
<INCOME-CONTINUING>                         10,134,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                         0
<EPS-PRIMARY>                                      .25
<EPS-DILUTED>                                      .23
        

</TABLE>

<TABLE> <S> <C>



<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF COGNEX CORPORATION FOR THE QUARTER ENDED
SEPTEMBER 29, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
CONSOLIDATED FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JUL-01-1996
<PERIOD-END>                               SEP-29-1996
<EXCHANGE-RATE>                                      1
<CASH>                                      44,420,000
<SECURITIES>                                81,395,000
<RECEIVABLES>                               17,836,000
<ALLOWANCES>                                   928,000
<INVENTORY>                                  8,251,000
<CURRENT-ASSETS>                           162,873,000
<PP&E>                                      34,889,000
<DEPRECIATION>                               8,629,000
<TOTAL-ASSETS>                             192,936,000
<CURRENT-LIABILITIES>                       15,240,000
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        82,000
<OTHER-SE>                                 175,968,000
<TOTAL-LIABILITY-AND-EQUITY>               192,936,000
<SALES>                                     26,540,000
<TOTAL-REVENUES>                            26,540,000
<CGS>                                       12,297,000
<TOTAL-COSTS>                               12,297,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                              4,227,000
<INCOME-TAX>                                   983,000
<INCOME-CONTINUING>                          3,244,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 3,244,000
<EPS-PRIMARY>                                      .08
<EPS-DILUTED>                                      .08
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF COGNEX CORPORATION FOR THE YEAR ENDED
DECEMBER 31, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
CONSOLIDATED FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<EXCHANGE-RATE>                                      1
<CASH>                                      48,423,000
<SECURITIES>                                85,577,000
<RECEIVABLES>                               19,777,000
<ALLOWANCES>                                   968,000
<INVENTORY>                                  7,013,000
<CURRENT-ASSETS>                           169,388,000
<PP&E>                                      38,050,000
<DEPRECIATION>                               9,719,000
<TOTAL-ASSETS>                             201,253,000
<CURRENT-LIABILITIES>                       16,571,000
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        82,000
<OTHER-SE>                                 182,607,000
<TOTAL-LIABILITY-AND-EQUITY>               201,253,000
<SALES>                                    122,843,000
<TOTAL-REVENUES>                           122,843,000
<CGS>                                       38,855,000
<TOTAL-COSTS>                               38,855,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                             43,697,000
<INCOME-TAX>                                13,328,000
<INCOME-CONTINUING>                         30,369,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                         0
<EPS-PRIMARY>                                      .75
<EPS-DILUTED>                                      .69
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF COGNEX CORPORATION FOR THE YEAR ENDED
DECEMBER 31, 1995 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
CONSOLIDATED FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               DEC-31-1995
<EXCHANGE-RATE>                                      1
<CASH>                                      23,911,000
<SECURITIES>                                66,729,000
<RECEIVABLES>                               25,021,000
<ALLOWANCES>                                   709,000
<INVENTORY>                                 12,567,000
<CURRENT-ASSETS>                           135,793,000
<PP&E>                                      27,488,000
<DEPRECIATION>                               5,355,000
<TOTAL-ASSETS>                             162,712,000
<CURRENT-LIABILITIES>                       16,391,000
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        78,000
<OTHER-SE>                                 143,838,000
<TOTAL-LIABILITY-AND-EQUITY>               162,712,000
<SALES>                                    104,543,000
<TOTAL-REVENUES>                           104,543,000
<CGS>                                       22,543,000
<TOTAL-COSTS>                               22,543,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                             37,613,000
<INCOME-TAX>                                14,579,000
<INCOME-CONTINUING>                         23,034,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                         0
<EPS-PRIMARY>                                      .60
<EPS-DILUTED>                                      .55
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF COGNEX CORPORATION FOR THE YEAR ENDED
DECEMBER 31, 1994 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
CONSOLIDATED FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1
<CURRENCY> US DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-START>                             JAN-01-1994
<PERIOD-END>                               DEC-31-1994
<EXCHANGE-RATE>                                      1
<CASH>                                      56,326,000
<SECURITIES>                                25,169,000
<RECEIVABLES>                                9,835,000
<ALLOWANCES>                                   684,000
<INVENTORY>                                  4,439,000
<CURRENT-ASSETS>                            97,743,000
<PP&E>                                      20,063,000
<DEPRECIATION>                               5,560,000
<TOTAL-ASSETS>                             112,839,000
<CURRENT-LIABILITIES>                        9,231,000
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        38,000
<OTHER-SE>                                 103,570,000
<TOTAL-LIABILITY-AND-EQUITY>               112,839,000
<SALES>                                     62,484,000
<TOTAL-REVENUES>                            62,484,000
<CGS>                                       13,884,000
<TOTAL-COSTS>                               13,884,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                             23,282,000
<INCOME-TAX>                                 7,210,000
<INCOME-CONTINUING>                         16,072,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                16,072,000
<EPS-PRIMARY>                                      .47
<EPS-DILUTED>                                      .43
        

</TABLE>


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