The Cooke Telepanchro 2.8/152mm lens is purposed for usual film shots.

Manufacturer "Rank, Taylor & Hobson" (England)
Lens system -
Focal lengthf'152.9 mm
Angle of view2ω'10°14'
Effective relative aperturef:nэ1:3.1
Lens lengthΣd92 mm
Front focal lengthS-115.7 mm
Back focal lengthS'88.2 mm
Flange focal distanceZ52.1 mm
Block lengthB177 mm
Block max. diameterD84 mm
Rear diameterD'41 mm
Front element diameterd155 mm
Rear element diameterd238 mm
Mount thread -
Distance from rear end of the housing
to the focal plane
l33.2 mm
Aperture blades quantity ?
Frame size 16x22 mm
Weight 1.3 kg