This adapter is not compatible with full-frame cameras and the 650D, 700DA. Even if the lens fits physically, automatic aperture, autofocus, or other functions will not work correctly when using this adapter. Since the lens does not have the ability to have its aperture controlled by the camera body, you can use manual mode or aperture priority mode. For this "AF" adapter, it does not mean you can use autofocus; it only has an indication (beep sound) when manually focusing. For F AI AIS lens to EF 5D 7D 600D DC192. This amazing adapter allows cameras to work with a wide variety of accessories. It enables the owner to expand the scope of photography they perform. With -Confirm Chip EXIF is fixed 50mm f1.4. Supports AV (Aperture Priority) and Manual Mode. Fixed a bug with focus on 60D, 550D, 7D and re-pressed contacts. Allows AI lenses to be used on EF camera bodies. It is an aperture pin stopping down flange version. It is possible to use macro rings and other accessories. It can focus to infinity. Material: Chrome-plated brass. Color: Silver. Mounting: Attach the adapter to the lens, then mount them on the camera. Removal: Remove both the lens/adapter together from the camera, then press the lens lock and remove the adapter from the lens simultaneously. Package Contents: 1 x Confirm Lens to Camera Mount Adapter. Only the above package contents are included; other products are not. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real object. The allowed measurement error is +/- 1-3 cm.