Industar-26m 5cm F/2.8, Red "P", USSR Lens For FED Zorki Leica M39! s/n: 488785
Industar-26m 5cm F/2.8, Red "P". USSR Lens For FED Zorki Leica M39 mount. It was available in the M39 lens mount, or "Leica thread mount". It is a copy of the Carl Zeiss Tessar 50mm f2.8. Lens mount: M39.