This is an export version of Zenit EM.
Rebadged export version of Zenit-EM. The camera can be found marked Cosmorex with a Cosmogon lens and Kalimar also sold a version of this camera marked "Kalimar SR 300". Cambridge Camera also produced one of these with a Cambron plate.
Also avilable in black, and ironically with olympic symbol for the Moscow olympics that USA didn't participate in as a protest!
Produced: 1972-1984
Name: „Зенит-EM“
Producer: KMZ
Frame size: 24x36.
Lens: Helios-44M 2/58.
Shutter: 1/30s-1/500s + B.
Quantity: 979.140 units.