Industar-26M 2.8/52mm Vintage Soviet Russian Lens M39 I-26M Leica FED 15 piec.
Will fit to Fed, Zorki, Leica and many other 35mm MF (Manual Focus) Rangefinder film cameras with a M39 screw mount.
Also for digital ca
meras with micro 4/3 system and other with working distance 28.8mm and are less, with the use of adapters:
All Sony NEX, Olympus, Panasonic: Lumix DMC-G1, DMC-GH1, DMC-GF1, DMC-G2, DMC-G10, Epson, Samsung and other.
Lens mount: M39
Real focal length: 52.41 mm
Angle of View: 45°
Flange focal distance: 28.8 mm
Resolution (0 mm/10 mm/20 mm): 27/23/18 lines/mm.
Resolution according to the technical specifications (center/edge): 30/12 lines/mm.
Coefficient of transparency: 0.8
Geometric vignetting: 50%