The OKS5-750-1 lens is purposed for usual film shots.

Specification of LOMO OKS5-750-1 optical block
Lens system

Focal length
f' 750.0 mm
Angle of view 2ω' 2°05'
Effective relative aperture f:nэ 1:9.9
Lens length
Σd 478 mm
Front focal length S -
Back focal length S' 36.1 mm
Flange focal distance Z
Block length
B 490 mm
Block max. diameter
D 142 mm
Rear diameter
D' -
Front element diameter
d1 94.0 mm
Rear element diameter
28.0 mm
Mount thread

Distance from rear end of the housing
to the focal plane
Aperture blades quantity

Frame size

16x22 mm
4.8 kg






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