LOMO OKS1-35-1 2/35mm lens, OCT-18 Konvas mount, #693269
The lens was made at famous LOMO factory in 1969 (#693269).
It is purposed for 35mm film movie cameras, but covers bit larger area. Back focus is quite short, so it will not work with reflex DSLR cameras. But it works fine with hybrid digital cameras.
The lens has so called OCT-18 mount for turret Konvas. You can use it on other cameras is you have corresponding adapter.
Used condition. Aperture ring is bit tight. Glass is clean and clear. There is a small scratch on the rear element.