Enhance your photography capabilities with our Auto Focus Lens Adapter Ring, expertly designed to bridge the gap between EF/EF-S mount lenses and Sony E-mount cameras. This innovative adapter opens up a world of creative possibilities by combining the best of both lens and camera technologies. Versatile Compatibility: The lens adapter ring seamlessly connects EF and EF-S mount lenses to Sony E-mount cameras, including popular models like the Sony A7R3, A7M3, and A7R4. This compatibility allows photographers to expand their lens options significantly and utilize their existing lens collection with cutting-edge Sony cameras. Efficient Aperture Adjustment: Equipped with electronic contacts and a data chip, the adapter allows for quick and effective aperture adjustments directly from the camera body. This feature ensures that the camera's anti-shake functionalities are supported, enhancing shooting stability and delivering sharper images. Advanced Eye Focus Support: This auto focus lens adapter ring supports real-time tracking and video real-time eye focus functionality. It provides precise tracking of subjects, improving the overall stability and accuracy of your shots, especially in dynamic or portrait photography scenarios. Upgraded USB Firmware: Featuring a built-in upgraded USB firmware interface, this adapter ensures compatibility with new camera models and lenses through simple firmware updates. It supports AF autofocus with dual focus modes, switching effortlessly between PDAF phase focus and CDAF contrast focus, providing flexibility in various shooting conditions. Comprehensive EXIF Information Transmission: The adapter records detailed shooting information, such as aperture, shutter speed, and ISO settings. This data can be viewed on the camera body and in post-processing software, allowing photographers to analyze and refine their techniques for improved outcomes. Transform your photography by leveraging the full potential of your lenses with this Auto Focus Lens Adapter Ring. Whether shooting stills or video, this adapter ensures high performance, adaptability, and precision, making it an essential tool for any serious photographer.