for for feature is available for use with our camera adapter. the lens adapter lens adapter is material ,it can serving you for a long for time. With this adapter, although the lens will fit physically, automatic diaphragm, auto-focusing, and other functions will not work, only manual model will be available. aluminum alloy, with perfect surface finishing and super precise design. Designed for the gfx format camera, allowing hasselblad v mount lenses to be mounted onto gfx format camera bodies.