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Canon EF to RF 0.71x Mount Adapter

Code: CAN/EF-EOSR0.71X
EF to RF adapter to use the broad range of Canon EF lenses on the EOS C70 camera.


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Adapt, frame, add brightness and more

The EF-EOS R 0.71x Mount Adapter is an EF to RF Mount Lens Adapter that maintains the original angle of view of a full frame EF lens when used on the EOS C70. It also increases the light transmission, to offer a one-stop brighter image.

Lens Compatibility

This adapter physically supports working with any Canon EF-mount lens; however, select lenses can maintain full Dual Pixel autofocus support and metadata transmission between the lens and camera, including:

  • EF 16-35mm f/2.8L III USM
  • EF 24-70mm f/2.8L II USM
  • EF 24-105mm f/4L IS II USM


Magnification 0.71x
Compact 77.2 x 76.6 x 20.7mm Approx.
Lightweight 200g
Lens Magnification Factor 0.71 x
Dimensions (Main Body Only) approx. 77.2 x 76.6 x 20.7 mm
Weight (Body Only) approx. 200g
Weight (Accessories) approx. 230g