Asahi Super-Takumar 50mm f1.4  type_Film Scanners Contax Cable Switch 300S for

Contax Cable Switch 300S for select Contax and Yashica cameras with single-pin remote terminals

but left the factory with the rear mask slightly off kilter–this doesn't affect its use)

This Calumet monorail camera is not the fanciest camera you'll ever see

first sold in 1929

Features the M3

Asahi Super-Takumar 50mm f1.4 &nbsptype_Film Scanners Contax Cable Switch 300S forA classic fast standard lens in very good condition, with light internal dust. This Super Takumar (model 37801) is a 7 element design. These are lovely lenses and great to use on a film or digital camera (with appropriate adapters, not included.) If you're wondering whether, like many of these lenses, this one has yellowed glass: Yes.