LOMO OKS4-1000-1 (11/1000mm)

The OKS4-1000-1 lens is purposed for usual film shots.

Specification of LOMO OKS4-1000-1 optical block
Manufacturer
NPO "EKRAN"
Lens system

-
Focal length
f'1000.0 mm
Angle of view2ω'1°33'
Effective relative aperturef:nэ1:12.2
Lens length
Σd466 mm
Front focal lengthS-
Back focal lengthS'73.9 mm
Flange focal distanceZ
-
Block length
B520 mm
Block max. diameter
D142 mm
Rear diameter
D'-
Front element diameter
d194.0 mm
Rear element diameter
d2
28.0 mm
Mount thread

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

?
Frame size

16x22 mm
Weight
4.9 kg

 

 

 

 

 

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