EXHIBIT 32.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



In  connection  with  the  quarterly  report  of  Vicon  Industries,  Inc.  (the
"Company")  on Form 10-Q for the period  ending March 31, 2005 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Kenneth
M. Darby, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C.
Section 1350, as adopted  pursuant to Section 906 of the  Sarbanes-Oxley  Act of
2002, that:

(1)  The Report fully complies with the  requirements of section 13(a) or 15(d),
     as applicable, of the Securities Exchange Act of 1934; and

(2)  The information  contained in the Report fairly  presents,  in all material
     respects,  the financial condition and results of operations of the Company
     as of and for the periods covered in the report.




  /s/ Kenneth M. Darby
  Kenneth M. Darby
  Chief Executive Officer

  May 16, 2005