This seems to be the widest LOMO lens for 35mm cine film camera ever made. It is very rare, and I didn't see it in real life. My widest lens for a 35mm film movie camera was had 10mm focal length.

Manufacturer NPO "EKRAN"
Lens system -
Focal length
f'8.6 mm
Angle of view2ω'116°
Effective relative aperturef:ne1:4
Lens lengthΣd81.2 mm
Front focal lengthS-
Back focal lengthS'22.1 mm
Flange focal distanceZ34 mm
Block lengthB83 mm
Block max. diameterD185 mm
Rear diameterD'-
Front element diameterd1114 mm
Rear element diameterd211.6 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