This Yongnuo smart lens adapter is specially designed for existing Canon EOS EF EF-S lens to Sony NEX E-Mount camera body. (With electronic pins, it permits auto focusing). Features: 1. Compatible with Canon EF/EF-S lens EF-E adapter is able to adapt EF/EF-S lens to Sony E mount camera, which allows you to have more purchasing choices of lens. 2. Carries Yongnuo Intelligent Focus System It"s realizable to focus from the nearest end to the farthest end as little as 2 seconds with EF-E adapter so that you can capture every moment of wonderful. 3. Intelligent Electronic Control Aperture EF-E adapter supports M/S/A/P camera mode and it"s realizable to adjust aperture automatically or manually in corresponding camera mode. 4. Supports TTL You can choose different camera modes and metering modes according to individual demand to get the correct exposure. 5. Carries Electronic Contact and Supports the Original Function of the Lens After adapted with the smart adapter EF-E mount, the Image Stabilizer (IS), TTL and Auto-Focus function of the lens work normally. 6. Intelligent Power Saving Mode When the camera is in sleeping mode, the saving mode of EF-E smart adapter will start automatically and it will run in low power state. 7. Photo EXIF Info Shows Correct Aperture, shutter, Focal Length and Other Shooting Parameters 8. Use 50μm Gold-plated High-quality Pin to improve Signal Transduction and Corrosion Resistance 9. Interface Made of Trivalent Chromium Alloy, Environmentally Friendly and Abrasion proof 10. Equipped with Tripod Stand, Convenient to Be Fastened on the Tripod Package Includes: 1 x Yongnuo Lens Adapter for Canon EF to Sony E Mount 1 x Manual in English and Chinese 1 x Protect Bag