K&F Concept Lens Mount Adapter Compatible with NIK Mount Lens to Fujifilm FX Mount Camera Adapter for Fujifilm FX Mount Camera With this new advanced lens adapter, you can mount NIK Mount Lens on Fujifilm FX mount camera body. Smooth surface for effortless mount, fine made to be light weight and strong. The adapters are precision made to insure the perfect fit. There are no electrical contacts in the adapter ring, exposure and focus has to be adjusted manually. Please note: Infinity focus positionthe position of the infinity mark of the telephoto lens or super telephoto lens is shifted slightly to the positive side to enable focus adjustment even when focus shift is caused due to temperature changes.The shift range is denoted by an L-shaped line, Be sure to check the focus through the viewfinder even when you shoot at infinity.