The Zorki-5 comes in two versions. The first one with a square rangefinder window and Industar-50 both collapsible and rigid lens. The second version is very similar to the Zorki-6. With a round rangefinder window and Industar-50 f3.5/50mm lens.
Produced: 1958-1959
Name: „Зоркий-5“
Producer: KMZ
Frame size: 24x36.
Lens: Industar-50 3.5/50.
Shutter: 1/25s, 1/50s, 1/100s, 1/250s, 1/500s + B.
Quantity: 236.502 units (all types). (sovietcams.com)