This is a Zenit 16, a 35mm SLR made by Krasnogorski Mekhanicheskii Zavod (KMZ) in the former Soviet Union between the years of 1973 to 1977.  It uses the M42 screw mount and has a CdS exposure meter with over and under indicators visible in the viewfinder.  The Zenit 16 … Continue reading KMZ Zenit 16 (1973)