Leica M Lens EOS R Adapter, Leica M Lens EOS RP Adapter allows Leica M Mount Lens to fit on Canon EOS RF Mount Mirrorless Camera Infinity Focus Guaranteed. Copper Lens Mount, Solid and Durable Pls Note: Adapter does NOT fit Canon EF / Efs Mount DSLRs There is no electrical contacts in the adapter ring. Exposure and focus has to be adjusted manually. Automatic diaphragm, auto-focusing, or any other functions will not operated with using this adapter. Leica M Canon RF Adapter/ Leica M EOS RF adapter is compatible with Canon EOS RF Mirrorless cameras EOS R / RP / Ra / R5 / R6