OM Lens EOS RF Adapter, OM Lens RP Adapter, allows Olympus OM Mount Lens to fit on Cannon RF Mount Mirrorless Cameras Infinity Focus Guaranteed. Copper Lens Mount, Solid and Durable Pls Note: Adapter does NOT compatible with Cannon EF / Efs Mount DSLRs There is No Electrical Contacts In the Adapter Ring. Automatic Diaphragm, Auto-focusing, Or Any Other Functions Will not Operated with Using this Adapter. OM Lens EOS R Adapter, OM Lens EOS RP Adapter, compatible with Canon EOS R Mirrorless Camera EOS R RP Ra R3 R5 R6 R7 R10