Features: The EF mount adapter allows EF/EF-S lens compatible for Ef mount camera EF M6 M100. This adapter supports auto focus function and aperture adjustment. Quick focusing, smooth adjusting of aperture, shutter, etc. IS Stabilization,making your focus more precise and clear; Metal electronic contact ensures high quality signal transmission. Made of durable metal materials, this adapter rings ensures stable and reliable function during shooting, providing users with an excellent photographic experience. High-quality construction and user-friendly design Specifications: Material:Metal; Color:Black for EF/EF-S Lens to (EF Mount) Camera M6 M50II M100; Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xAdapter