Focus . Diaphragm control of the lens is set manually. Superior quality, top class precise design. It is designed for X-Pro1 interchangeable lens digital camera. This adapter ring allows you to use your F Mount lens on your X-Pro1 X-E1 Camera, saving you the expense of a costly and irreversible conversion. Color: Black Material: metal Attention: Auto Focus will not be available, and it's recommended to use Manual / AV modes. Suitable For: F Mount lens. X-Pro1 X-E1 Camera. Note: It is designed for X-Pro1 interchangeable lens digital camera, not suitable for S2Pro/S3Pro /S5Pro DSLR camera or other X-series prosumer digital camera. Package includes: 1x Lens Adapter For F Mount lens to X-Pro1 X-E1 Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.