Canon FL/FD/FDn Lens To Leica M Body (Techart Pro LM-EA7) Adapter

Canon has been a very popular camera brand for a very long time, making a lots of cameras and lenses with various mounts. In 1964, Canon introduced the FL mount for 135 film SLRs, an exceptionally well-engineered mount using a wear-free breech lock. In 1971, they upgraded that to FD mount, which basically added camera coupling for automatic aperture control. The catch is that changing lenses is slower and more awkward than using bayonet mounts... so, in 1978, Canon made the disturbingly clever "