1、Compatibility: Compatible for EF EF S series lenses. Compatibly work for R series cameras, such as for RP, R3, R5, R6, R6II, R7, R8, R10, R100. 2、Perfect Fit: The lens mount adapter perfectly fits the camera and lens mount, ensuring a tight and seamless connection. It is easy to install and remove. 3、Built in IS Stabilization: Built in electronic contacts, supports IS image stabilization, autofocus, and EXIF information transmission, making your focus more accurate and clear, which better help you take pictures. 4、Includes Insert ND Filter: Equipped with a plug in ND3‑ND400 adjustable ND filter for easy replacement and suitability for different shooting scenarios, featuring waterproof, dustproof, oil resistant, and scratch resistant properties. 5、Sealing Ring and Metal Body: Designed with a sealing ring for dustproof and waterproof, and a metal housing for secure and wearproof fastening, providing a delicate touch.