MC Zenitar-M f/2.8 16 mm.

The MC Zenitar-M is a fish-eye lens manufactured by KMZ. It has a maximum aperture of f/2.8 and a focal length of 16 mm. It has click-stops down to f/22. It consists of 11 elements in 7 groups. The mount is M42 screw. The lens is supplied in a soft fabric case, complete with three filters that mount on the rear of the lens.

David Tomlinson.