Professional Compatibility: VILTROX EF-FX2 Pro lens adapter allows Canon EF lenses to be mounted on Fujifilm X-mount mirrorless cameras like X-H1, X-H2, X-H2S, X-PRO2, X-T2, X-T3, X-T1, X-T20, X-T10, X-E2, X-E1 and more. Please feel free to contact us if you’re unsure whether this lens adapter ring fits your camera. | 0.71x Focal Reducer Booster: VILTROX EF-FX2 Pro adapter booster built-in with optical correction group, when using the adapter, the focus of the lens should be multiplied by 0.71, then multiplied by 1.5 (the focus multiplier), is the lens’ actually equivalent focus . | Auto Focus Function & Aperture Control: With copper electronic contacts, EF-FX2 Pro will give you a fast speed and a smooth focusing experience. You can also adjust the aperture of the EF lens by controlling the Fuji X-Mount mirrorless camera body. | EXIF Signal Transmitting & IS Function: The EF-FX2 Pro lens converter can transmit the EXIF signals to your camera and display the current information on the screen. ( like Aperture, Shutter Speed, Exposure parameters, etc. ), and with a Built-in IS function, making your focus much more precise and clear. | Lightweight & Durable: Small in size and light in weight, it weighs only 162.5g/5.7oz, this VILTROX EF-FX2 Pro lens mount adapter is easy to carry and adds zero bulk to your camera, and precision all-metal construction is durable and stable. Equipped with micro USB interface, can realize software upgrade.