Fine finish black anodized aluminum metal design with a brass silver ring the KIWIFOTOS LMA-SM(A)_PQ mount adapter allows the use of SONY A mount lens from Sony Alpha DSLR/(Konica)Minolta AF/Alpha/Dynax/Maxxum on the new Pentax mirrorless interchangeable lens camera. This unique adapter is equipped with a "ON/OFF" aperture control ring for user to set the designed aperture. The lens fits physically, auto-focusing control and camera modes which control exposure by automatically adjusting aperture are not retained, however. Preserve all focusing range up to the infinity point.