- Compatibility: The EFEOS M mount adapter ring enables seamless integration of Canon EF and EFS mount series lenses with Canon EOS M mirrorless digital cameras. Check the compatibility table to ensure the right fit before making a purchase. - AF Function and Aperture Control: This lens converter features a built-in aperture motor for electronic aperture control, allowing you to adjust the aperture directly from your camera. This functionality is compatible with almost all Canon EOS M cameras. - EXIF Signal Transmission: Equipped with gold-plated needle pins, this adapter maximizes signal transmission performance, ensuring reliable communication between your lens and camera. - Built-in IS Stabilization: The adapter incorporates built-in image stabilization, enhancing focus accuracy and clarity in your shots. For full-frame functionality, set your camera’s APSC size capture to 'off.' Use Scenarios: - Portrait Photography: Capture stunning portraits using your existing EF or EFS lenses with enhanced stabilization and precise aperture control. - Landscape Photography: Achieve sharp, clear landscapes by utilizing the adapter’s built-in IS stabilization for steady shots in varying conditions. - Event Photography: Effortlessly manage fast-paced shooting environments by adjusting settings directly from your Canon EOS M, ensuring you never miss a moment. The EFEOS M mount adapter ring is designed to unlock the full potential of your Canon lens collection, providing greater versatility and performance without compromising on quality.