Canon EOS-R (RF-mount) adapters

Not to be confused with Canon R lens mount or Contax RF-mount.

The Canon RF lens mount is an interchangeable-lens mount developed by Canon for its full-frame mirrorless interchangeable-lens cameras, and featured first by the EOS R, followed by the EOS RP. The RF mount was announced in September 2018.

The RF mount allows for the use of Canon EF and EF-S mount lenses using one of three Canon-made lens adapters. When an EF-S lens is attached, however, the camera will only function as an APS-C camera, not a full-frame camera.

  • Inner diameter: 54 mm
  • Flange focal distance: 20 mm
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Compatible equipment (25)

These models have a matching mount or port. Check the individual adapter for fit and limitations.

  • Canon C50
  • Canon EOS C50
  • Canon EOS C70
  • Canon EOS C80
  • Canon EOS C400
  • Canon EOS R
  • Canon EOS R1
  • Canon EOS R3
  • Canon EOS R5
  • Canon EOS R5 C
  • Canon EOS R5 Mark II
  • Canon EOS R6
  • Canon EOS R6 Mark II
  • Canon EOS R6 Mark III
  • Canon EOS R7
  • Canon EOS R8
  • Canon EOS R10
  • Canon EOS R50
  • Canon EOS R50 V
  • Canon EOS R100
  • Canon EOS Ra
  • Canon EOS RP
  • RED KOMODO-X (Canon RF mount)
  • RED KOMODO 6K (RF mount)
  • RED V-RAPTOR 8K VV (RF mount)