Features:Viltrox NF-FX1 mount adapter can allow for Nikon GD-mount series lens to be used perfectly for FUJI X-mount mirrorless camera, manually adjust the aperture (F-8 Aperture adjustment scale), compatible for FUJI X-mount mirrorless cameras.Gold-plated electronic contact, manually-focus function.It can realize MF, adjustable aperture from camera body to the lens's aperture.More durable metal material.Compatible for all the GD-lens.