Dollice Lens Mount Adapter Suit For Nikon to Fujifilm X Camera Both camera-side and lens-side of the adapter are made of brass, precision-machined and plated with chromium Although the lens will fit physically, automatic diaphragm (AE metering), or other auto functions are not retained using this adapter. Precise fit and solid connection - lens has no play, gap or wiggling when mounted on adapter and no adjustments are required to fit your lens. Designed to reach infinity focus while maintaining the correct registration distance required to support CRC lenses or lenses with floating elements. The all-metal adapter is designed to fit the lens securely, yet can still be removed easily when not needed.