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Specification of LOMO OKS1-9.5-1 optical block
Rare super wide angle lens made by LOMO for 35mm cine film cameras. I didn't see it in real life.
| Manufacturer | NPO "EKRAN" | |
| Lens system | - | |
| Focal length |
f' | 9.55 mm |
| Angle of view | 2ω' | 175° |
| Effective relative aperture | f:ne | 1:5.7 |
| Lens length | Σd | 111.1 mm |
| Front focal length | S | - |
| Back focal length | S' | 27.9 mm |
| Flange focal distance | Z | - |
| Block length | B | 110 mm |
| Block max. diameter | D | 124 mm |
| Rear diameter | D' | 30 mm |
| Front element diameter | d1 | 104 mm |
| Rear element diameter | d2 | 23 mm |
| Mount thread | - | |
| Distance from rear end of the housing to the focal plane |
l | 27 mm |
| Aperture blades quantity | ? | |
| Frame size | 16x22 mm | |
| Weight | 1.1 kg |
