Canon Mount Adapter EF-EOS R

Canon Mount Adapter EF-EOS R
Seamless Cross-System Integration – Maintain Full AF, Image Stabilization & Weather Sealing
The Canon Mount Adapter EF-EOS R is a lightweight, precision-engineered lens adapter designed to bridge the gap between Canon’s vast legacy SLR glassware and the high-performance EOS R mirrorless digital camera system. This critical adapter allows for the seamless attachment of any full-frame EF or crop-sensor EF-S mount lens onto an RF-mount mirrorless body. By maintaining complete electronic communication between the lens and the camera chassis, the adapter preserves full autofocus speeds, automatic exposure tracking, and lens-based image stabilization capabilities.

Crafted without any internal glass or optical elements, this adapter ensures that the original optical rendering, sharpness, and performance of your attached lenses remain completely uncompromised. Built to professional standards, its rugged, dust- and water-resistant construction matches the durability of luxury L-series optics, allowing you to shoot confidently in inclement weather conditions.

Key Features & System Interfacing
Universal EF/EF-S to RF Adaptation: Seamlessly adapts all native Canon EF and EF-S lenses to any EOS R-series mirrorless camera body, greatly expanding your available lens library.

Uncompromised Electronic Communication: Retains lightning-fast native autofocus performance, precise eye-tracking capabilities, peripheral illumination correction, and complete EXIF metadata transmission.

Full Image Stabilization (IS) Support: Fully supports lens-based Optical Image Stabilizers, and allows adapted lenses to work in tandem with the camera body’s In-Body Image Stabilization (IBIS) systems.

Zero Optical Degradation: Features a hollow barrel architecture with zero optical components, ensuring no light loss, focal length shift, or optical distortion is introduced into your image path.

Weather-Sealed Professional Build: Engineered with robust metal mounts on both the front and rear faces, and equipped with rubber gaskets to guard against dust and moisture penetration during challenging outdoor assignments.

Automated Crop Detection: When an EF-S crop lens is attached, the adapter communicates instantly with full-frame EOS R cameras to automatically trigger the internal 1.6x crop mode for flawless framing.

Technical Specifications
Adapter Classification: Dedicated SLR-to-Mirrorless Electronic Mount Adapter

Camera-Side Interface: Canon RF Mount Standard

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

Optical Configuration: 0 Elements / 0 Groups (Pure Pass-Through Architecture)

Physical Construction: High-Rigidity Metal Mounts with Weather-Sealed Gasketing

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

Weight: Approx. 3.9 oz / 110 g