Mamiya 645 M645 mount lens to Canon EOS R RF mount mirrorless adapter - R R5 R6

Roxsen Global

For using Canon EOS R (RF) mount mirrorless digital cameras with all Mamiya 645 mount manual lenses. Switching on "Release shutter without lens" in custom menu C.Fn5, then switching shooting mode to M (manual) is recommended. Allows focus infinity. Not suitable for Canon EOS film / digital SLR cameras and Canon EOS M (EF-M) mount mirrorless cameras.