The Canon Control Ring Mount Adapter EF-EOS R is a professional lens adapter designed for Canon EOS R series mirrorless cameras. It allows you to use your existing Canon EF and EF-S DSLR lenses on RF-mount cameras while adding extra control functionality for improved shooting experience.
EF / EF-S Lens Compatibility
This adapter lets you mount Canon EF and EF-S lenses on EOS R cameras without losing autofocus or image quality performance. It is perfect for photographers who want to reuse their DSLR lens collection on mirrorless systems.
Built-in Custom Control Ring
It includes an integrated control ring that can be assigned to functions like shutter speed, aperture, ISO, or exposure compensation. This gives faster access to key settings without going into camera menus.
Fast and Accurate Performance
The adapter maintains full communication between lens and camera, ensuring reliable autofocus, image stabilization, and smooth performance while shooting photos or videos.
Durable Metal Construction
It features a strong metal mount on both camera and lens sides, providing secure attachment, stability, and long-lasting durability for professional use.
Weather-Sealed Design
The adapter is dust- and water-resistant, making it suitable for outdoor and harsh shooting environments where protection is needed.













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