Description:It will increase compatible lens choices for your camera. This adapter ring allows for mount camera to mount EF / EF-S lens. Featuring automatic focus function and it will bring better shooting performance. With 1/4" screw hole on the bottom, it supports you to mount it onto various tripods. Features:It allows for mount camera to mount EF / EF-S lens.It owns automatic focus function and not missing each precious moment.The mounting interfaces with high precision will not do harm to your camera and lens.Easy to install with the red dot. It will click when the installation is finished.There is a 1/4in screw hole on the bottom, convenient for you to install it onto various tripods.Specification:Condition: 100% Brand NewBrand: MeikeMaterial: MetalColor: BlackScrew Hole: 1/4"Compatible Cameras: for Mount mirrorless camerasCompatible Lens: for EF / EF-S lensesSize(Dia * H): Approx. 7 x 3cm / 2.8 x 1.2inWeight: Approx. 98gPackage Included:1 x Adapter Ring* Other terms on pictures are not included..