*Supports AV (Aperture Priority) and Manual Mode. *fixed a bug of focus on EOS 60D, 550D, 7D, 5DII,and reprinted contacts. *Make Pentax K PK mount lenses can be used on Canon EOS EF camera body. *It is a aperture pin stop down flange version. *It is possible to use Macro rings and other accessories. *It can focusing infinite. *Material: Chrome-plated Brass. *Color : Silver Notice: Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter. In this case since the lens does not have the ability to have its aperture controlled by the camera body. You can shoot with manual mode or aperture priority mode. For this "AF" adapter, it is didn"t mean you can use Auto focus, it only have an indication (bee sound) when you manual focus actually. package content: 1 X AF Confirm Pentax K PK mount Lens to All Canon EOS Camera Mount Adaptor