This is Soviet Projector fast Lens HELIOS-92 F-92 1/2 for 24x36 mm Film MOVIE.
This lens is in nice condition, was made in USSR at optik factory - LOMO.
Optical system of this Lens is 6 lenses in 4 groups double-Gauss type "Planar".
Helios-92 F-92 is projection fast lens
This Lens is pulled from Soviet slide projector by name LETI 60M .
Lens flange focal distance of this lens allows to install this lens on all modern SLR, DSLR and mirrorless cameras.
The lens is equipped with the simplest helix in the form of a single groove, the diaphragm is absent.
The lens is inspected with dosimeter, no radiation traces found
Good condition