of Independent Registered Public Accounting Firm
hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-146749 and 333-198765) of
Vicon Industries, Inc. of our report dated December 29, 2017, relating to the consolidated financial statements, which appear
in this Form 10-K. Our report contains an explanatory paragraph regarding the Company’s ability to continue as a going concern.
BDO USA, LLP