Lens:

f2, 50 mm B, Pre-set iris diaphragm to f16. Depth-of-field scale. 42 mm screw mount. Serial no. 4766741 .

Shutter:

Focal-plane, speeds 1/2 - 1/500, B. X, F flash synchronisation.

Construction:

Metal body.

Format:

36, 24 x 36 mm exposures on 35 mm film held in cassette.

Focusing:

Helical to 0.5 metre.

Attributes:

Reflex viewing through taking lens. Ground glass focusing screen with condenser. Waist-level view-finder with magnifier. Eye-level frame finder.
Film advance tensions the shutter and lowers the mirror.
Exposure counter.

Serial Number:

221716 .

Notes:

Marked made in Germany, USSR occupied.

With:

Roof pentaprism, clips into waist-level finder. In box.