EF-R3 Pro 0.71x Reducer Speed Booster Lens Mount Adapter with Fixed Plate for Canon EF Lens to Canon Camera EOS R R5 R6 RP C70 Red Komod Camera,Idea for Large Lens

【Compatibility】EF-R3 Pro Speed Booster is designed to compatible with Canon EF-mount lenses to be used on RF Mount Camera EOS R R5 R6 RP C70.The newly added fixing plate,make the large lens more stable.
【0.71x Focal Reducer Booster】EF-R3 Pro Booster can increase one great of an aperture to blur the background and better highlight the theme. Built-in optical correction group, when using this adapter, the focal length of lens should be shortened x0.71 based on the original,that is equivalent focal length = focal length x 0.71x camera conversion rate.
【Auto Focus & Aperture Control】EF-R3 Pro Booster with steady, fast and smooth autofocus, let you easy to shoot in the face of fleeting beauty.You can also adjust the aperture of EF lens by control Canon RF-mount camera body.
【EXIF signal transmitting & IS Function】Cooper gold-plated contacts with great conductivity enhance the EXIF info. Transmission between lens and camera body. Built-in IS function, making your focus much more precise and clear.
【Support firmware update】Through continuous software updates, VILTROX will help users get better shooting experience, fix product bugs and constantly adapt to the new EF lens, provide more lens and camera combinations.