This is a high quality AF Confirm Minolta MD Lens to Canon EOS Adapter. It allows you to use Minolta MD MC mount lens on EOS camera with AF-confirmation indication. With the incorporated AF-Confirmation chipset， you don&acute;t need to guess the correct focus by naked eye， as it will be indicated by the accurate auto-focus system of EOS camera with a beep sound (just like using EF lens in manual focus mode). It has an optical glass and able to focus infinity.                                    Features            New and high quality<br>The ring enables camera viewfinder focus confirmation light and confirmation sound<br>Supports AV (Aperture Priority) and Manual Mode<br>Color: Black<br>                                                                                                Package Includes            1 x AF Confirm Minolta MD Lens to Canon EOS Adapter<br>                                                            Extra Info            Compatibility: Canon EOS 500D， 1000D， 450D， 400D， 350D， 300D， 50D， 40D， 30D， 20D etc<br>