Installation: can be installed in front of the UV lens with threaded connector.1: first divide the product into 4 parts according to the split.2: install ④ in front of the lens / UV lens.3: connect ③ to ② (do not screw ③ directly to the inner most, to retain a little distance for the subsequent adjustment).4: after completing the conditions of the 3 will be ② mounted on the front of ④.5: through the rotary adjustment of the angle of ② ③ ④ to make the shape of the metal mask and the lens level can be.6: ① silicone cover installed in front of ②.6: ① silicon cover installed in front of ②. The metal hood can be leveled with the lens. 6: Install the silicone cover of ① in front of ②. 1：Square metal shade ② ③ ④ is made of aluminum alloy. 2: ① cover made of silicone to better protect the product from scratches. 3：Using CNC machining/anodizing technology on the outside/black matte layer on the inside 4: It can effectively reduce the interference of stray light, so that you can get better shooting results. At the same time better protect your lens. 5: Can be mounted in front of the UV lens / For lenses with threaded interface. It can effectively improve the vintage feeling of the camera.