LOMO 2.5/40mm lens OKS1-40-1 in Arri PL mount, #760221
This lens was made at LOMO in 1976.
The lens is purposed for 35mm film movie cameras.
Excellent condition. Nothing worse that few tiny cleaning marks and dust particles.
The lens had Temp camera mount originally, most probably. Remounted to Arri PL, so you can use it on many modern cameras now.