This adapter ring allows you to use your M42 42mm Screw Mount Lens on your Fujifilm Fuji X-Pro1 X-E1 Camera, saving you the expense of a costly and irreversible conversion. Description: Solid metal mount lens adapter allows M42 42mm Screw Mount Lens to be used on Fujifilm Fuji X-Pro1 X-E1 Camera body. Focus infinity. Diaphragm control of the lens is set manually. Superior quality, top class precise design. Made of brass and aluminum (not plastic). Color: Black. Attention: Auto Focus will not be available, and it"s recommended to use Manual / AV modes. Suitable For£º M42 42mm Screw Mount Lens. Fujifilm Fuji X-Pro1 X-E1 Camera. Note: 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. Package includes: 1x M42 42mm Screw Mount Lens to Fujifilm Fuji X-Pro1 X-E1 adapter