Cooke Telepanchro 4/317mm

The Cooke Telepanchro 4/317mm lens is purposed for usual film shots.

Specification of Cooke Telepanchro 4/317mm

Manufacturer"Rank, Taylor & Hobson" (England)
Lens system-
Focal lengthf'318.1 mm
Angle of view2ω'4°55'
Effective relative aperturef:nэ1:4.2
Lens lengthΣd156 mm
Front focal lengthS-483.8 mm
Back focal lengthS'103.2 mm
Flange focal distanceZ52.1 mm
Block lengthB228 mm
Block max. diameterD108 mm
Rear diameterD'41 mm
Front element diameterd179.5 mm
Rear element diameterd233.4 mm
Mount thread-
Distance from rear end of the housing
to the focal plane
33 mm
Aperture blades quantity?
Frame size16x22 mm
Weight2.4 kg

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