This adapter can not be compatiable with Canon Full Frame Camera and 650D, 700DAlthough the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapterIn this case since the lens does not have the ability to have its aperture controlled by the camera bodyYou can shoot with manual mode or aperture priority modeFor this inchAF inch adapter, it is didn't mean you can use Auto focus, it only have an indication (bee sound) when you manual focus actuallyFor Nikon F AI AIS lens to Canon EOS EF 5D 7D 600D DC192This fabulous Adapter can enable Canon EOS cameras to work with a variety of accessoriesIt will allow the Canon EOS owner to widen the scope of photography they undertakeWith AF-Confirm ChipEXIF is fixed 50mm f1.4Supports AV (Aperture Priority) and Manual Modefixed a bug of focus on EOS 60D, 550D, 7D, and reprinted contactsMake Nikon AI AF mount lenses can be used on Canon EOS EF camera bodyIt is a aperture pin stop down flange versionIt is possible to use Macro rings and other accessoriesIt can focusing infiniteMaterial: Chrome-plated BrassColour:silverTo Mount:Attach the adapter onto the Nikon Lens, then mount them onto the cameraTo Remove:Remove both lens / adapter together from the camera, then press the lens lock and then remove the adapter from the lens simultaneouslyPackage Contents:1 x AF Confirm Nikon Lens to Canon EOS Camera Mount AdapterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.