Optical Block of LOMO 2.8/75mm lens OKS4-75-1, #810130
The lens was made made at LOMO in 1981 (#810130).
This is a lens for 70mm film cameras, so image circle is large enough to cover most sensors of modern digital cameras.
For sale is optical block only. It has iris diaphragm and aperture control ring, but has no focusing mount, so you'll have to adapt it to your system yourself.
Max. diameter: 55 mm
Mount thread: M36x0.5
Length: 44 mm
Weight: 131 g
Very good used condition.
Aperture control ring works well.
Glass has some cleaning marks that will not affect image quality.
Front rim has a dent.
Can be used as is with some focusing system. Or you can use it as replacement unit if your lens have bad glass.