Feature: 1. The adapter ring is made of aluminum alloy and refined copper, and the sliding pattern is made by CNC machine tools, excellent hand touch. 2. Allows you to mount for Canon EF/EF‑S mount series lenses to for Fujifilm X mount series cameras. 3. The auto focus ring can provide you with a fast and smooth focusing experience, and can quickly adjust the aperture, shutter, ISO and other settings. 4. When installing and removing the lens, the lens release button can disconnect the circuit to protect the camera. 5. The inner wall is matted to absorb the radiated light efficiently, and the interface is tight without stray light, glares, and light leakage. 6. The bottom bracket can be removed freely, easy to install and use, universal 1/4 inch screw hole, strong compatibility. 7. Built‑in metal electronic contacts and data chip, can control the camera's aperture, shutter speed and ISO through the body; convenient and quick to use. Specification: Item Type: Lens Mount Adapter Material: Aluminum Alloy + Refined Copper Focus Mode: Auto focus Compatible Lens: for Canon EF/EF-S mount lens Compatible Camera: for Fujifilm X-mount camera Peripheral Diameter of Camera End: Approx. 43mm/1.7in Peripheral Diameter of Lens End: Approx. 65mm/2.6in Length: Approx. 83mm/3.3in. Package List: 1 x Lens Mount Adapter 1 x Manual Note: This product is not suitable for Fujifilm XT4 camera.