<PAGE>
Exhibit 23.1
CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
As independent public accountants, we hereby consent to the incorporation
by reference in this registration statement of our reports dated July 27, 1999
(except with respect to matters discussed in Note 9, as to which the date is
August 5, 1999) included in Precision Optics Corporation Inc.'s Form 10-KSB
for the year ended June 30, 1999 and to all references to our firm included
in this registration statement.
/s/ Arthur Andersen LLP
Boston, Massachusetts
August 2, 2000