- Compatibility : The EF-EOS R mount adapter enables seamless use of EF and EF-S lenses with Canon EOS R series cameras, including the EOS R, EOS RP, EOS R5, and EOS R6. This versatility provides an ideal solution for photographers looking to utilize their existing lens collection. - Auto Focus & Aperture Control : Featuring reinforced copper electronic contacts, this adapter ensures rapid and precise autofocus, enhancing your shooting experience. Adjust the aperture directly from the body of your EOS R series camera for effortless exposure control. - Built-in IS Stabilization : The adapter supports lens stabilization, making your images sharper and clearer. This feature is particularly beneficial for handheld shooting, providing added precision in low-light conditions or at longer focal lengths. - EXIF Signal Transmission : The EF-EOS R adapter transmits EXIF signals back to your camera, allowing you to view critical shooting information, including aperture, shutter speed, and exposure parameters directly on your display. This function ensures you stay informed while capturing your best shots. Use Scenarios : 1. Transitioning to the EOS R system? This adapter lets you keep using your trusted EF and EF-S lenses, saving you the cost of new glass. 2. Get precise control over your shots in dynamic environments—use the adapter's aperture control to quickly adapt to changing light conditions without interrupting your workflow. 3. Perfect for nature photographers: the built-in stabilization aids in capturing sharp images of moving subjects or in challenging conditions, ensuring better results every time.