Olympus OM EF Adapter, OM Lens EFS Adapter, allows Olympus OM Lens to Fits On Cannon Eos EF EF-S Mount Aps-c Dslrs Infinity Focus Guaranteed. Copper Lens adapter solid durable There is no electrical contacts in the adapter ring Automatic diaphragm auto-focusing or any other functions will not operated with using this adapter Exposure and focus has to be adjusted manually Compatible With Canon DSLRs, 6D, 5D Mark IV III II 1Ds 1D Series 7D II 7D 90D 80D 77D 70D 60D 50D 1300D 1200D 1100D 1000D 760D 750D 700D 650D/ Rebel T6i T6 T5i T5 T4i T4 T3i T3 /kiss X80 X70 X50 X8i X7i X6i X7 X5