Applicable Lens: for Canon EF Mount Lens Applicable Cameras: for Fuji G-mount Cameras, Such As for Fuji GFX 50S/GFX 50R/GFX 100S/GFX 100 Products made of aluminum alloy, light and strong, oxidation and corrosion resistance, long service life. Gold plated electronic contact, auto focus function, built‑in metal electronic contact, precise focusing. Extinction processing is done inside to avoid reflection on the imaging impact. Ergonomic release button, one‑click release, quick removal of the lens. Products and bayonet closely connected, convenient installation and disassembly smooth. Specification Item Type: Lens Adapter Ring Material: Aluminum Alloy Weight: Approx.114g/4oz Focus Mode: Auto Focus Applicable Lens: for Canon EF Mount Lens Applicable Cameras: for Fuji G-mount Cameras, Such As for Fuji GFX 50S/GFX 50R/GFX 100S/GFX 100 How to Use 1. Align the identification point of the lens bayonet with the identification point of the macro adapter ring and rotate it clockwise. When you hear a "click" sound, it means that the lens has been installed. 2. Align the identification point on the lens macro adapter ring with the macro adapter ring installed, and rotate it clockwise when you hear a "click" sound, it means it has been installed. 3. Press and hold the camera lens release button and rotate it counterclockwise to remove the lens together with the macro adapter ring. 4. Press and hold the release button of the macro adapter ring and rotate it counterclockwise to remove the macro adapter ring from the lens. Package List 1 x Adapter Ring 1 x Manual