EF-R3 Auto Focus Lens Adapter 0.71x Reducer Speed Booster Compatible with Canon EF Mount Lens to Canon EOS R R5 R6 RP C70 Camera

• 【Compatible with】EF-R3 speed booster adapter compatible with Canon EF Lens and Canon EOS R R5 R5C R6 RP C70 camera.
• 【0.71x Focal Reducer Booster】EF-R3 Speed Booster can increase one stop 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 Speed 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 EOS R series 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.

The EF-R3 0.71x Speed Booster is compatible with Canon EF-mount lenses to be used on RF Mount Camera EOS R R5 R6 RP C70.With the built-in optical correction group,Focal length is multiplied by 0.71 based on the original (equivalent focal length=focal length x 0.71 x APS-C conversion factor),make the effective focal length smaller and the shooting range wider. Also the speed booster can increase one stop aperture of lens to blur the background and better highlight the theme. Features: Reduce focal length by 0.71 times Increase one stop aperture of lens Support Auto Focus EXIF Information Transmitting Electronic Aperture Control Built-in IS Stabilization Function USB Firmware Upgrading Gold-plated Contact Pins for Great Conductivity Aluminum Alloy made, powerful and stable Specification: Focus mode:Auto focus Focal Lenth Multiplier:0.71x Optical glasses:4 groups,4 glasses Firmware upgrade:Micro USB upgrade port Weight:199g Compatibility: -Compatible with Canon EF Mount lenses (not for EF-S lens) -Compatible with Canon RF Mount Camera EOS R R5 R6 RP C70 Red Komod Package Contents: 1 x EF-R3 Adapter 1 x Front cap 1 x Rear cap