The Zorki 4 is a popular 35mm rangefinder camera that was introduced by Zorki in 1956. It is a fully manual camera, and does not have a lightmeter. An additional lightmeter may be added by the cold shoe. The early bodies have a vulcanite body covering, engraved shutter speeds, and strap lugs. As with other Soviet-era rangefinders, the shutter speed selector rotates when the shutter is released, and should not be changed until after the shutter has been cocked.