Canon Mount Adapter EF-EOS R

Canon Mount Adapter EF-EOS R
Lens Mount Converter – Native EF/EF-S Lens Compatibility, Full AF & IS Communication, Weather-Sealed Build

The Canon Mount Adapter EF-EOS R expands the lens selection for EOS R system users, allowing any Canon EF or EF-S mount lens to attach seamlessly to Canon full-frame RF mirrorless camera bodies. Engineered without optical elements, this passive glass converter preserves the precise optical quality, sharpness, and field-of-view characteristics of the attached lens while maintaining full electronic communication for responsive autofocus, aperture control, and image stabilization.

Designed for reliable performance in demanding environments, the adapter features a durable, dust- and water-resistant construction with weather-sealed gaskets to match L-series lens standards. Its lightweight, compact profile integrates cleanly between the camera chassis and lens barrel without introducing unwanted bulk or weight to your setup.

Key Features & System Integration

Seamless EF/EF-S to RF Conversion: Connects the complete lineup of Canon EF and EF-S lenses to EOS R mirrorless camera bodies.

Preserves Optical Performance: Contains no internal glass elements, ensuring zero loss in original optical clarity or light transmission.

Full Electronic Communication: Retains full autofocus responsiveness, aperture control, image stabilization (IS), and EXIF metadata transfer.

Weather-Sealed Exterior Build: Features a dust- and water-resistant physical structure designed for use in harsh shooting conditions.

Lightweight & Compact Profile: Sleek design blends smoothly into the lens mount ecosystem for effortless portability.

Technical Specifications

Adapter Type: Canon EF/EF-S to Canon RF Mount Adapter

Camera Mount System: Canon RF Native (Full-Frame & APS-C EOS R Bodies)

Lens Mount System: Canon EF / EF-S Native

Optical Architecture: No Optical Elements (0 Glass Elements)

Electronic Communication: Full AF, IS, Aperture Control, and EXIF Passthrough

Environmental Sealing: Dust- and Water-Resistant Gaskets

Dimensions (Diameter x Length): Approx. 2.8 x 0.9 inches / 71.2 x 24.0 mm

Weight: Approx. 3.9 oz / 110 g