1971! Industar-50–2 Objektiv 50 mm f/3,5, UdSSR für Zenit, Pentax. M42 Schraubhalterung!
It was available in the M42 lens mount. M42 screw mount! Lens mount: M42. (Adapter not included). It is a copy of the Carl Zeiss Tessar 50mm f3.5. Focal length: 50mm. As you can see in the photos - it's in Excellent Condition.