Zenit 3m Vintage Film Camera

You can buy vintage camera at:http://photoclub7910.com/vintage-used
Zenit 3M is a 35mm film SLR made by KMZ and produced between 1962-70 with quantity of 781.678 units. Zenit means Zenith, a point in the sky that appears directly above the observer.
It is a part of the long-running Zenit series. The UK export version of this camera doesn't have the 3M marking on it only marked Zenit on the front.
The main differences from Zenit-3: the back cover is removable and the new mechanism of cocking lever with shutter release button.