Feature: 1. Built‑in electronic contact of EF‑FX supports anti‑shake function, and can addresses ghosting and blur caused by moving shooting or shake when holding. 2. EF‑FX achieved information sharing between camera and lens, you can control camera's aperture, shutter speed and ISO through camera body to adjust depth of field or exposure etc. 3. EF‑FX provides fast and smooth focus experience. Focus by just tapping the shutter. Shorten the time needed by focus and increase speed of focus. 4. Built‑in software of EF‑FX helps record property and shooting data of photos. After installed, checking aperture, shutter and exposure compensation through camera body will be supported. 5. EF‑FX supports swift switch between CDAF and PDAF. CDAF is not sensitive to light, and by moving lens you can improve clarity of focused area. The success rate of focus will also be improved. 6. Built‑in electronic contact and chip achieved control aperture through camera body while providing compatibility between camera body and lens, greatly increasing accessibility. 7. Flocking extinction is more efficient than normal screw‑threaded method. Both front and rear mounts are made of galvanized metal, making it more durable and sturdy, less damaging to camera mount. Specification: Item Type: EF-FX Adapter Ring Material: Aluminum Alloy Color: Black Focus Mode: Auto Compatible Lens: For Canon EF/EF-S Mount Lens Compatible Camera: For Fujifilm FX Mount Series, for X-T1/X-T2/X-T20/X-A1/X-A2/X-A3/X-A5/X-A20/X-E1/X-E2/X-E3/X-E2S/X-H1/X-PRO1/X-PRO2Weight: 150g/5.2oz Product Size: Approx. 68x31mm/2.6x1.2in(cap not included). Package List: 1 x Adapter Ring1 x Cleaning Cloth1 x Storage Bag1 x Instruction2 x Protection Cap Note: 1.If the camera cannot auto‑focus after installed adapter on lens and turned MF mode to AF mode, please reboot camera.2.The installation will not affect ability of lens.3.Please use the button on the lens to set the functions of the lens, and if the setting in camera menu contradicts with that on lens, please take the latter one as standard.4.When the lens is heavier than camera, please hold lens when moving the camera or shooting.5.Minimum focusing distance will increase due to the installation of adapter, so maximum magnification range and range of vision may change.