JJC DV37 37mm Lens Hood with Cap for Digital Video DV Camcorders This lens hood is specifically designed for the permanent use on digital video cameras, to shade the lens from stray light, improving your contrast and image quality. It will also protects the front barrel from the inevitable impacts against walls, door frames, and other real-life obstacles and in inclement weather, it can assist in keeping moisture or wind-blown debris off the lens. The angles of these rectangular hoods match with the shooting angles of digital video cameras. DV series lens hoods are also provided with an additional protective cap, which can be put on front of the hood. This hood enables you to shoot even towards the light source (in bright sunlight) without excessive flare, as long as you keep the light source outside the image area. This DV lens hood with screw mount fits on any 37mm lens filter or barrel thread.