Zenit 16mm F2.8 MC Zenitar-C Specifications
analog/digital limited (dumb mount - aperture priority or manual modes only)
Diagonal Angle of View:
~165° diagonal fisheye
Number of Aperture Blades:
internal focus mechanism, manual only
~2014 by KMZ
Famous and thus useless to mention, but ... this lens was formerly known as Zenitar-M. Technical data is given according to Zenit's Photokina 2014 catalog.