EACHSHOT EF-NEX-II Canon EF Lens To Sony NEX Cameras NEX-3N NEX-6 NEX-7 NEX-5/5N/5R/5T Adapter 1.If the adapter cannot work on NEX series cameras ,please update the camera to 04 or up version. 2.After set the adapter on the EF-NEX lens ,be remember to set the M mode change to A mode.Please restart the camera if it cannot auto focus. 3.It will not affect the performance of lens after setting the adapter ring on the lens. 4.Please use the switch on the lens to set the lens function .If the settings in the camera menu and set on the lens,and is subject to the settings on the lens.