K&F Concept Lens Mount Adapter Compatible with Leica M LM L/M Mount Lens to Fujifilm FX Mount Camera Adapter for FX Mount Camera X-Pro1 With this new advanced lens adapter, you can mount Leica M Mount Lens on Fujifilm FX mount camera body. There are no electrical contacts in the adapter ring. Exposure and focus has to be adjusted manually. It is designed for Fujifilm X-Pro1 interchangeable lens digital camera, not suitable for S2Pro/S3Pro /S5Pro DSLR camera or other X-series prosumer digital camera. With precise design and high technology.Made of brass and aluminum (not plastic). 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.