1. Supports EXIF Information Transmission: The gold-plated contact pin design enhances conductivity and enables EXIF information transmission. When connected to a Canon lens, view relevant parameters such as aperture, shutter speed, and exposure settings. The transmission function ensures compatibility between lens and camera. 2. Supports Auto-focus Function: Provides stable, fast, and smooth autofocus performance, ensuring reliable communication between camera and lens. Quickly adjust aperture, shutter, ISO, and other settings for full control over your lens. 3. Electronic Aperture Control: Enables quick and precise aperture adjustment via the camera body when the lens is connected through the mount adapter, offering convenient operation. 4. Supports IS Image Stabilization Function: Compatible with Canon lens image stabilization, helping reduce blur caused by camera shake or motion during shooting. 5. Gold-plated Contacts and Detachable 1/4 Inch Tripod Foot: Features gold-plated electronic contacts for improved data transmission between lens and camera. Includes a detachable 1/4 inch tripod foot for added support, helping manage mechanical load and protect lens and camera mount connections. Constructed from Aluminum Alloy: Precision-machined from aluminum alloy using CNC technology for durability, stability, and accurate alignment. Resists deformation for secure, long-term use. Brand: Commlite Model: CM-EF-EOS R Compatible Cameras: Canon RF-mount cameras Compatible Lenses: Canon EF/EF-S series lenses Tripod Screw: 1/4 inch thread Camera Mount Diameter: 50mm Lens Mount Outer Diameter: 65mm Material: Aluminum alloy Color: Black Package Contents: 1 x Commlite CM-EF-EOS R Lens Mount Adapter 1 x User Manual (English) Note: Light shooting and different displays may cause slight color variations between the item and the image. Measurement error allowance is +/- 1-3 cm.