The Planar 2/135mm lens is purposed for usual film shots.

Manufacturer "OPTON" (Germany)
Lens system -
Focal lengthf'132.8 mm
Angle of view2ω'11°30'
Effective relative aperturef:nэ1:2.2
Lens lengthΣd81 mm
Front focal lengthS-107.8 mm
Back focal lengthS'61.5 mm
Flange focal distanceZ52.1 mm
Block lengthB111.5 mm
Block max. diameterD80 mm
Rear diameterD'41.2 mm
Front element diameterd164.7 mm
Rear element diameterd231 mm
Mount thread -
Distance from rear end of the housing
to the focal plane
l34 mm
Aperture blades quantity ?
Frame size 16x22 mm
Weight 0.9 kg