Features: Specially designed replacement 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-resistant. With gold-plated contacts, can greatly improve the data transmitting performance between the lens and camera 1 or 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 or 1.96inch note: The factory batches are different. If there are slight differences in appearance and words, it will not affect the product. Material: plasticandmetal colour: Black Package Contents: 1 x Camera Lens Ring Adapter 1 x Wrench 1 x English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.