Mir-1V is a fast wide-angle lens with a non-standard focal length of 37mm and aperture ratio of 2.8 (37 / 2.8). The optical scheme is borrowed from the German company Carl Zeiss (Jena DDR), and is called Flektogon from the German. Its first version, white Mir-1 (m39), was awarded a high award in the USSR, a diploma of the second degree at VDNKh. And also a set of lenses, which included the Soviet flektogon, received a high world award at the exhibition in 1958, the Grand Prix (Grand Prix Brussels 1958).

Specifications:

The focal length is 37 mm.

The viewing angle is 60 degrees.

Open diaphragm - 2.8.

Closed aperture - 16.

The number of aperture blades - 10 pcs.

The minimum focusing distance is 0.7 meters.

The number of lenses / groups is 6/5.

Center / edge cutting capacity 45/23 lines per mm.

Threaded optics mount - m42.

Aperture presetting mechanism.