MC Jupiter-37A 135mm F/3.5, USSR Lens For Zenit, Pentax. M42 mount! s/n: 904019
MC Jupiter-37A 3.5/135mm. M42 mount. Based on the lens Carl Zeiss Sonnar 3.5/135. It has 12 blades diaphragm! The lens has an M42 mount. Lens mount: M42. Focal length: 135mm. (Adapter not included).