GEWARTET! Industar-50–2 Objektiv 50 mm f/3,5 UdSSR für Zenit, Pentax M42. s/N: 6907566
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. The lens has been serviced, cleaned and lubricated.