Neu! 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. Scale of diaphragms: from 3.5 to 16.