Industar 61 2,8/50 rangefinder m39 Russian lens

Industar 61 2,8/50 rangefinder m39 Russian lens
  • Industar 61 2,8/50 rangefinder m39 Russian lens
  • Industar 61 2,8/50 rangefinder m39 Russian lens
  • Industar 61 2,8/50 rangefinder m39 Russian lens
  • Industar 61 2,8/50 rangefinder m39 Russian lens
  • Industar 61 2,8/50 rangefinder m39 Russian lens
  • Industar 61 2,8/50 rangefinder m39 Russian lens
Product description

Industar-61 2,8/50 - Standard lens for rangefinder cameras FED. Labeled as 2,8 / 52 2,8 / 53 and 2,8 / 55. Four-lens anastigmat average luminosity with coated...

 

Industar-61 2,8/50 lens history

 

Standard lens for rangefinder cameras FED. Labeled as 2,8 / 52 2,8 / 53 and 2,8 / 55. Four-lens anastigmat average luminosity with coated optics. Fitted with iris diaphragm. Produced at the Kharkov factory "FED". The main advantage of the lens is photographic acutance, with the help of which it is possible to receive shots of high quality.
 
 

Industar-61 2,8/50 lens description

 

  • Mount: M39x1
  • Focal distance: 50 mm (52,42 mm)
  • Diapason of aperrure ratio: 1:2,8-1:16
  • Relative aperture: 1:2,8
  • Working distance: 28,8 mm
  • Angle of view: 46°
  • Number of lenses / groups: 4 / 3
  • Closest focusing distance: 0,42 m
  • Resolution (center / edge): 45 / 28 lp / mm
  • Transmittance: 0.85