Metal design black anodized aluminum with a brass silver ring the KIWIFOTOS LMA-NK(G)_N1 mount adapter allows the use of Nikon G lens 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. The 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.