Feature: 1. WIDE COMPATIBILITY: This lens mount adapter is compatible with for EF and for EF S series lenses, suitable for R series cameras, such as for R7, 6, 10, R5C, R3, 5, RP mirrorless cameras. 2. ANTI SHAKE: It supports lens anti shake technology, which effectively eliminates image ghosting and blurring problems caused by shaking during sports shooting and improves the shooting quality. 3. METAL ELECTRONIC CONTACTS: It has metal electronic contacts with excellent signal transmission performance to ensure stable data transmission for a better shooting experience. 4. AUTO FOCUS: This lens adapter ring has an integrated control ring for autofocus function, and the operation feels similar to the for RF lens control ring. Meanwhile, it supports full pixel dual core technology, which provides fast focusing speed, high accuracy and flexible target locking to provide excellent shooting results. 5. MORE DESIGN: Contains no optical parts, preserving the original optical performance of the mounting lens. The inner wall is matted to efficiently absorb the radiated light. The interface is tightly connected, no stray light, glare or light leakage. Specification: Item Type: Lens Mount Adapter Material: Aluminum Alloy Compatible Lenses: For EF EF S Series Lenses Compatible Cameras: For R Series Cameras Front Mount: For EF Mount Back Mount: For R Mount. Package List: 1 x Lens Mount Adapter1 x Instruction Manual