Fotodiox Pro Lens Mount adapter Compatible with M42 Typ 1 Screw Mount SLR Lens to Canon EOS (EF, EF-S) Mount SLR Camera Body

This Fotodiox Pro lens mount adapter allows an M42 mount lens without an aperture pin, or with a not fully depressible aperture pin and tabs along the screw mount, to be used on a Canon EF or EF-S camera.