Rare semiautomated camera
These cameras were produced by factory "KMZ" (Krasnogorsk) since 1964 up to 1968. About 8,930 copies were made
Frame size 24X36mm, it has selftimer, synchronizer, light meter

Lenses: Rubin-1 (2.8/37-80mm)
Lenses for Zenit-6 are here

Adjustable shutter speeds - 1, 1/2, 1/4, 1/8, 1/15, 1/30, 1/60, 1/125, 1/250, 1/500 of a second and "B".
Shutter is aperture type, behing-the-lens.

Rare camera