Canon Mount Adapter EF-EOS R

Canon Mount Adapter EF-EOS R
Seamless EF to R-System Integration – Full Electronic Communication & Weather-Sealed Design
The Canon Mount Adapter EF-EOS R is a lightweight, compact lens adapter engineered to bridge the gap between Canon’s legendary legacy glass and the cutting-edge EOS R mirrorless system. This adapter allows you to attach any EF or EF-S mount lens to an RF-mount camera body, instantly multiplying your optical options without requiring a costly upgrade to your existing lens collection.

Designed for uncompromising professional performance, this adapter features a purely electronic pass-through architecture that houses no internal glass elements, ensuring your lenses maintain 100% of their original sharpness, contrast, and optical rendering. Built with the same rugged, weather-resistant durability as Canon’s L-series lenses, it serves as an indispensable tool for photographers and filmmakers transitioning into the mirrorless ecosystem.

Key Features & Uncompromised Performance
Universal EF & EF-S Compatibility: Seamlessly adapts Canon’s entire ecosystem of full-frame EF and crop-sensor EF-S lenses—including prime, zoom, macro, and telephoto glass—to any RF-mount camera body.

Full Electronic Pass-Through: Retains complete, lightning-fast autofocus capabilities, automatic aperture control, object tracking, and metadata EXIF data transmission between the lens and the camera body.

Image Stabilization Preservation: Fully supports lens-based Optical Image Stabilization (IS) and coordinates flawlessly with the camera’s In-Body Image Stabilization (IBIS) systems for rock-steady handheld shooting.

Zero Optical Degradation: Constructed with a straight-through internal barrel containing no optical glass elements, preserving the exact image quality, color fidelity, and light transmission of the mounted lens.

All-Weather Weather Sealing: Built to withstand demanding field conditions with dust- and water-resistant seals on both the front and rear mounting bays to prevent moisture ingress.

Compact & Form-Fitting Profile: Matches the sleek aesthetic of the EOS R camera bodies while remaining incredibly lightweight, ensuring your camera rig stays balanced and travel-friendly.

Technical Specifications
Adapter Classification: Professional Electronic Lens Mount Adapter

Camera Body Mount: Canon RF Mount Standard

Lens Mount Interface: Canon EF / EF-S Mount Standard

Optical Components: None (100% Light and Sharpness Retention)

Electronic Communication: Full AF, IS, Metadata, and Diaphragm Control

Weather Sealing Index: Dust- and Water-Resistant Gaskets

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

Weight: Approx. 3.9 oz / 110 g