LOMO lens OKS8-35-1 2/35mm, T/2.2, Konvas OCT-18 mount, #720273
The lens was made at LOMO in 1972 (#720273). F=35mm, f/2, T/2.2.
Mount is so called OCT-18 - for Russian 35mm film movie cameras Konvas-1M.
You can use it on other cameras if you have corresponding adapter.
Aperture ring works fine.
Glass is covered with cleaning marks and fungus.