Vicon Industries, Inc.

135 Fell Court

Hauppauge, New York 11788

(631) 952-2288

September 14, 2017

Via Edgar

Mr. Larry Spirgel

Assistant Director

AD Office 11 - Telecommunications

Division of Corporation Finance

U.S. Securities and Exchange Commission

100 F Street, NE

Mail Stop 3720

Washington, D.C. 20549

Re: Vicon Industries, Inc. Registration Statement on Form S-1 File No. 333-219767

Dear Mr. Spirgel:

Pursuant to Rule 461 under the Securities Act of 1933, as amended, Vicon Industries, Inc. hereby requests acceleration of the effective date of the above-referenced Registration Statement to 4:00 p.m. on September 18, 2017, or as soon thereafter as practicable. Please contact Alison Newman of Fox Rothschild LLP, counsel to the Company, at (212) 878-7997, as soon as the registration statement has been declared effective, or if you have any other questions or concerns regarding this matter.

Sincerely,

/s/ John M. Badke

John M. Badke

Chief Executive Officer