Find the perfect companion for your Canon lenses with the Lens Hood Ew-73B, specifically engineered for Ef 17-85mm and Ef-s 18-135mm lenses. This essential accessory serves multiple functions to enhance your photography experience. By shading your lens from stray light, it significantly improves contrast and overall image quality, ensuring that every shot you take is picture-perfect. In addition to enhancing image quality, the Lens Hood Ew-73B also offers a layer of protection for your lens. Whether you're shooting in inclement weather or bustling environments, this lens hood assists in keeping moisture and wind-blown debris off your lens. It also safeguards the front barrel of your lens against potential impacts with walls, door frames, and other real-life obstacles. Designed to fit seamlessly with almost all Ef and Ts-e lenses, the Lens Hood Ew-73B is a testament to Canon's commitment to quality and precision. It is compatible with Ef-s 17-85mm f/4-5.6 Is Usm and Ef-s 18-135mm f/3.