Metabones Canon EF to Canon EFR T Speed Booster ULTRA 0.71x Adapter (Black) with Tripod Foot (EOS R)

Metabones Canon EF to Canon EFR T Speed Booster ULTRA 0.71x Adapter (Black) with Tripod Foot (EOS R)

A 0.71x optical Speed Booster for using compatible Canon EF lenses on Canon RF cameras in supported crop-mode workflows while gaining a wider effective view and approximately one stop of effective aperture.

The Metabones Speed Booster ULTRA condenses the image circle from a compatible Canon EF lens to the smaller active sensor area used in supported crop modes. It also passes supported electronic lens functions, including autofocus and aperture control, depending on the exact camera, lens and firmware combination.

Key Features

• Canon EF lens to Canon RF camera conversion
• 0.71x focal reduction
• Approximately one-stop effective aperture increase
• Advanced 5-element / 4-group optical design
• Supported electronic autofocus and aperture functions
• Included tripod foot

Specifications

• Lens Mount: Canon EF
• Camera Mount: Canon RF
• Optical Factor: 0.71x
• Electronic Communication: Supported on compatible combinations
• Tripod Support: Included
• Finish: Black

Why Choose This Adapter

• Reduces the crop seen in supported EOS R video/crop modes
• Recovers a wider effective field of view from full-frame EF lenses
• Retains supported electronic lens control

Perfect For

• EOS R crop-mode video workflows
• Canon EF lens owners moving into RF-mount production
• Filmmakers wanting a wider effective view from existing EF glass

Compatibility

This Speed Booster is not for full-frame still photography or full-frame video modes. A compatible full-frame RF camera must be used in an appropriate crop mode. Autofocus and other electronic features vary by camera, lens and firmware, so check the current Metabones compatibility information for your exact setup.

Shipping Information

Please allow up to 4 to 12 BUSINESS days for delivery. For accurate shipping times, please check our shipping policy here.

Refunds & Returns

Returns are accepted within 30 days in line with our returns policy. Please check our returns policy before purchasing for full eligibility requirements.

Need help choosing the right option?

If you are unsure which option is best for your setup, please contact CameraHUB before purchasing and our team will be happy to help.