Block Lens OKS3-10-1 1.8/10mm (from 16mm cine film camera). A fast standard prime lens. Possible to adopt and use with some adapters on modern cameras Micro 4/3, Black Magic Pocket Cinema Camera, Bolex, Panasonic, Olympus and etc.
The item in good condition for the age.
Glass is clean with no haze, no separation, no fungus, with cleaning marks, and some dust inside and outside.
Focusing ring turns very smoothly.
Aperture works but the aperture values on the aperture ring are shaded.
There are some trace of wear and some scratches on the barrel.