for Focus for feature is available for use with our camera adapter. Designed for the gfx format camera, allowing v mount lenses to be mounted onto gfx format camera bodies. the lens adapter lens adapter is ,it can serving you for a long for time. aluminum alloy, with finishing and super precise 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.