Feature 1 Made of high quality aluminum alloy, solid, durable, wear resistant, and long life time. 2 Support autofocus function and lens antishaking, allows you get clear photos. 3 1/4 inch thread at the bottom, convenient for connection with tripod and other supports. 4 Lightweight, small size and portable. Easy to install and remove. 5 Suitable for Canon EF/ EF‑M series lens for Canon EOS M mount mirrorless camera.Features: 1. Made of high quality aluminum alloy, solid, durable, wear resistant, and long life time. 2. Support auto-focus function and lens antishaking, allows you get clear photos. 3. 1/4 inch thread at the bottom, convenient for connection with tripod and other supports. 4. Lightweight, small size and portable. Easy to install and remove. 5. Suitable for Canon EF/ EF-S series lens for Canon EOS M mount mirrorless camera. 6. Equipped with front and rear cover to protect the adapter. Specification: Material: Aluminum Alloy Color: Black Focus Mode: Auto Focus Tripod Screw: 1/4 inch Compatible Lens: for Canon EF/EF-S Series Lens Compatible Camera: for Canon EOS M mount Mirrorless Camera Maximum Diameter: Approx. 66mm*26mm/ 2.60*1.02inch Width: Approx. 66mm*26mm/ 2.60*1.02inch Packing List: 1 * Adapter 1 * Front Cover 1 * Rear Cover 1 * User Manual