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Black cylindrical lens adapter with metal mounts on both ends

Canon International

Canon International Mount Adapter EF-EOS R International Model

SKU CH-CBXD-T35HM

Mounts Canon EF and EF-S lenses on EOS R mirrorless bodies with full electronic control and weather-resistant metal mounts

  • Use EF/EF-S lenses on EOS R bodies
  • Weather-resistant metal mounts protect against dust and moisture
  • Full autofocus and image stabilization retained
  • No optical elements preserve original lens quality
  • Lightweight, compact design for easy transport

Lens Compatibility

The Canon Mount Adapter EF-EOS R connects Canon EF and EF-S lenses to EOS R mirrorless camera bodies. It is built for photographers who want to keep using their existing DSLR lenses on the newer RF mount system. The adapter contains no optical elements, preserving the original image quality and performance of the attached lens.

Weather-Resistant Construction

A durable metal mount on both the lens and camera sides provides a secure, weather-resistant seal against dust and moisture. The lightweight, compact design adds minimal bulk to the camera setup, making it practical for outdoor and travel photography. Full electronic communication is maintained for autofocus and image stabilization functions.

Sustained Operational Reliability

Under continuous use, the adapter maintains consistent electronic communication between the lens and camera body for reliable autofocus and aperture control. The solid metal construction resists wear from repeated mounting cycles, ensuring a stable connection during extended shooting sessions. It is not suited for users who require additional optical elements such as teleconverters or variable ND filters within the adapter itself.

Highlights

  • Use EF/EF-S lenses on EOS R bodies
  • Weather-resistant metal mounts protect against dust and moisture
  • Full autofocus and image stabilization retained
  • No optical elements preserve original lens quality
  • Lightweight, compact design for easy transport

Specifications

BrandCanon International
ModelNot Available

Questions about this item

How do I attach the EF-EOS R adapter to my EOS R body and EF lens without misaligning the mounts?

Align the red dot on the adapter with the red dot on the camera mount, twist until it clicks, then align the red dot on the lens with the adapter's red dot and twist to lock; the metal mounts on both sides prevent play.

What upkeep will the adapter's weather-resistant seals need over time?

The rubber gaskets on the metal lens and camera mounts should be inspected before outdoor shoots; wipe them clean with a dry cloth and replace if they show cracking or compression loss to maintain dust and water resistance.

What is the first limitation I will hit when using adapted EF lenses for continuous autofocus video?

Because the adapter adds no optical elements, the limit is the lens's own AF motor speed and the camera's Dual Pixel AF performance; native RF lenses typically focus faster and quieter during sustained video tracking.

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