These cameras were produced by factory "KMZ" (Krasnogorsk) since 1990. It has TTL system. Frame size 24X36mm, curtain type shutter.

Lenses: series Helios-44M
Lenses for Zenit-122 are here

Adjustable shutter speeds - 1/30, 1/60, 1/125, 1/250, 1/500 of a second and "B".

Camera has 3 diod light indicators in view finder