Made of black anodized aluminium (camera body mount) and brass silver (lens mount) the KIWIFOTOS LMA-SM(A)_NX mount adapter allows the use of your existing A-Mount lenses from Sony AlphaDSLR/(Konica)Minolta AF/Alpha/Dynax/Maxxum on the Samsung NX camera body. This unique adapter is equipped with a "ON/OFF" aperture control ring for user to set the designed aperture. The adapter is manual and does not provide auto-focusing and auto-diaphragm. Preserve all focusing range up to the infinity point.