Cooke Telepanchro 4/203mm

The Cooke Telepanchro 4/203mm lens is purposed for usual film shots.

Specification of Cooke Telepanchro 4/203mm

Manufacturer"Rank, Taylor & Hobson" (England)
Lens system-
Focal lengthf'203.9 mm
Angle of view2ω'7°40'
Effective relative aperturef:nэ1:4.3
Lens lengthΣd100 mm
Front focal lengthS-311.5 mm
Back focal lengthS'66.9 mm
Flange focal distanceZ52.1 mm
Block lengthB162 mm
Block max. diameterD84 mm
Rear diameterD'41 mm
Front element diameterd152 mm
Rear element diameterd232 mm
Mount thread-
Distance from rear end of the housing
to the focal plane
l33.4 mm
Aperture blades quantity?
Frame size16x22 mm
Weight1.05 kg