Fine finish black anodized aluminum metal design with a brass silver ring the KIWIFOTOS LMA-SM(A)_N1 mount adapter allows the use of your existing A-Mount lenses from Sony Alpha DSLR / (Konica) Minolta AF / Alpha / Dynax / Maxxum on the Nikon 1 mount camera (Nikon 1 J1, Nikon 1 V1 etc.). The lens will fit physically and the camera works in manual mode with the adapter. This unique adapter is equipped with a "ON/OFF" aperture control ring for user to set the designed aperture. Preserve all focusing range up to the infinity point