【Compatibility:】For Canon EF/ EF-S Mount lens to fits on Canon EF-M Mount mirrorless Cameras. 【Accessories:】Equipped with a drop-in variable neutral density filter (ND3-ND500, equals to 1.5 to 9 stops) and an extra holder. 【Image Stabilization: 】Built-in stability makes your focus more accurate and clear. 【AF support and Aperture control:】 Support auto focus function ;the built-in electronic contact allows you to control the aperture of the lens directly through the camera. 【EXIF Transmission: 】The design of gold plated PIN brings excellent signal transmission. Meike MK-EFTM-C Drop-in Filter Auto-Focus Mount Lens Adapter for Canon EF/EF-S to EOS M Cameras with Variable ND Filter and UV Filter EOS M M2 M3 M5 M6 M10 M50 M100 M200 Cameras