This seems to be widest LOMO lens for 35mm cine film camera ever made. It is very rare, and I didn't saw it in real life. Widest lenses I had were 10mm ones.

Specification of LOMO OKS1-8.5-1 optical block 

Manufacturer
NPO "EKRAN"
Lens system

-
Focal length f' 8.6 mm
Angle of view 2ω' 116°
Effective relative aperture f:ne 1:4
Lens length
Σd 81.2 mm
Front focal length S -
Back focal length S' 22.1 mm
Flange focal distance Z
34 mm
Block length
B 83 mm
Block max. diameter
D 185 mm
Rear diameter
D' -
Front element diameter
d1 114 mm
Rear element diameter
d2
11.6 mm
Mount thread

SpM30x0.75
Distance from rear end of the housing
to the focal plane
l
-
Aperture blades quantity

?
Frame size

16x22 mm
Weight
740 g

 

 

 

 

Back to top