HELIOS 44M 2/58mm Lente soviética Bokeh Retrato adaptador de lente vintage M42/Canon EF
Focal length: 58mm. For Canon EF mount. At your request, I can change the mount to MFT, Fuji X, Sony for free. Lens mount: M42/Canon EF (EOS). Filter holder: M52x0.75. Aperture and focus work fine.