Fotasy Pro Olympus OM lens to Sony A7II A7m2 A7S II A7R II Frame Mirrorless Camera Adapter This adapter allows you to use Olympus OM lens to fit on Sony A7II A7S Mirrorless Camera Infinity remains unchanged, so the lens does not need to be re-collimated or shimmed. When using a lens with the adapter, the camera body should be set to either manual exposure or aperture priority mode. 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 Pls note: This adapter fits Sony A7II A7S only! Not fot ohter Sony E-Mount Cameras.