Industar 61 ld Russian M39 lens

Industar 61 ld Russian M39 lens
Product description

industar 61ld lens history lens photographic industar 61ld is means for installation in rangefinder compact camera,like "FED", "Zorki", which have flange focal distance 28,8 and connection threa...

 

Industar 61 ld lens history

Industar 61 ld is means for installation in rangefinder compact camera, like "FED", "Zorki", which have flange focal distance 28,8 and connection thread M39x1 mm. Industar 61ld is a 4-lens, anastigmatand its made of special sort of glass, which has rare earth element - Lanthanum. The main advantage of the lens is photographic acutance, with the help of which it is possible to receive shots of high quality.
 
 
 

Industar 61ld lens description

 

  • Focal distance: 55mm
  • Diapason of aperrure ratio: from 1:2,8 to 1:16
  • Photographic acutance on the film KN-1, mm 1 : in the center of the field: 44
  • Working section: 28,8mm
  • Conjoint carving size for cameras: m39
  • Weight: 140gr