Canon Mount Adapter EF-EOS R
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Category: Lens Adapters & Accessories
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
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
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Standard Shipping · United States: $0.00
Express Shipping · United States: $3.99
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
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