Planar 1.3/50mm

The Planar 1.3/50mm lens is purposed for usual film shots.

Specification of Planar 1.3/50mm  

Manufacturer "OPTON" (Germany)
Lens system -
Focal lengthf'47.9 mm
Angle of view2ω'30°26'
Effective relative aperturef:nэ1:1.4
Lens lengthΣd51.1 mm
Front focal lengthS-
Back focal lengthS'26.4 mm
Flange focal distanceZ-
Block lengthB78 mm
Block max. diameterD76 mm
Rear diameterD'41 mm
Front element diameterd145 mm
Rear element diameterd227 mm
Mount thread -
Distance from rear end of the housing
to the focal plane
l25.9 mm
Aperture blades quantity ?
Frame size 16x22 mm
Weight 410 g