Do you want to turn your lens into a macro lens? Do you want to focus lenses on most MA Body manually? This MASSA Minolta MD MC Lens to Minolta MA SONY Alpha Mount Adapter Ring meets all your needs!The mount adapter ring can be fitted in its reverse position onto the camera body, saving you the expense of a costly and irreversible conversion. The lens adapter ring will fit physically, automatic diaphragm, auto-focusing, and any other functions will not operate correctly while using this camera adapter ring. With this lens adapter ring, you can experiment by taking close pictures of various small items such as stamps, coins and insects ect. Do take the mount adapter ring home, and remember clearer daily life.