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The Canon EF-EOS R 0.71x Mount Adapter extends your range of compatible lenses whilst maintaining their original field of view. The adapter attaches EF-mount lenses to RF-mount cine and mirrorless cameras and is intended for bodies featuring a Super35 sensor size. The adapter is equipped with an optical system that increases the effective angle of view by 0.71x, minimising the effects of a full-frame to Super35 crop factor. It additionally increases the maximum aperture by one stop.

The adapter works by directly attaching to RF-mount camera bodies, with four screws and a split locking collar offering a more secure attachment.

Camera Mount

Canon RF

Lens Mount

Canon EF



  • Canon EF-EOS R 0.71x Mount Adapter
  • Locking Mount Collar
  • 4 x Screw
  • Limited 1-Year Warranty


* Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.