Fangrui Product Details Features: Specially Designed For Ef Ef-s Lens To For R Rf Mount Full Frame Cameras. Support Fast And Stable Auto Focus And Is Image Stabilization Function, Clearer And More High-quality Photos. Also Support Fast Exif Information Transmission And Electronic Aperture Control. Made From High-quality Materials With Exquisite Workmanship, Powerful And Sturdy, Rust-proof And Impact-. With Gold-plated Contacts, Can Greatly Improve The Data Transmitting Performance Between The Lens And Camera; 1/4 Inch Screw Hole Design, Can Be Easily Mounted To A Tripod, Freeing Your Hands. Comes With A Practical Wrench, Convenient For Adapter Ring Installation And Removal. Specifications: Model: Ef-eosr Camera-mount Diameter: 50mm/ 1.96inch Note: The Factory Batches Are Different. If There Are Slight Differences In Appearance And Words, It Not Affect The Product. Material: Plastic+metal Colour: Black Package Contents: 1 X Camera Lens Ring Adapter 1 X Wrench 1 X English Instructions Only The Above Package Conte