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 length f' 203.9 mm
Angle of view 2ω' 7°40'
Effective relative aperture f:nэ 1:4.3
Lens length Σd 100 mm
Front focal length S -311.5 mm
Back focal length S' 66.9 mm
Flange focal distance Z 52.1 mm
Block length B 162 mm
Block max. diameter D 84 mm
Rear diameter D' 41 mm
Front element diameter d1 52 mm
Rear element diameter d2 32 mm
Mount thread -
Distance from rear end of the housing
to the focal plane
l 33.4 mm
Aperture blades quantity ?
Frame size 16x22 mm
Weight 1.05 kg

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