Meike EF S-EOS M Auto Focus Transfer Lens Adapter Ring for Canon EOS Camera Features: It allows for Canon EOS-M cameras to be placed on for Canon EF / EF-S series lens. High standard precision interface is compatible for Canon lens. Widely applied for Canon EOS-M Camera Body.  Full metal construction and polished surface is designed to guarantee smooth mounting and long lasting experiences. Easy to install and remove. Auto operation, automatic focus and aperture. It can connect your camera with other brands of lens and greatly rich your lens choose. Bringing you different shooting experience.  Specification: Condition: Brand: Meike Material: Plastic & Alloy Color: Black Compatible Camera Body: for Canon EOS-M Camera Compatible Camera Lens: for Canon EF / EF-S Series Lens Diameter: Approx. 7.1cm / 2.8inch Height: Approx. 4.4cm / 1.7inch Weight: Approx. 100g Package Included: 1 x Adapter Ring 1 x Front Lens Cap 1 x Rear Lens Cap Note: Cameras and Lens are Not Included.