Serious photographers using Canon EF 100-400mm f/4.5-5.6L lenses - this ET-83C lens hood is a must-have accessory for protecting your valuable gear and improving your image quality. Made from durable plastic, this hood screws securely onto your lens to block stray light that can cause lens flare and reduce contrast in your photos. It's not just about better pictures though - the hood also acts as a physical barrier protecting your front lens element from fingerprints, scratches, and the elements when you're shooting outdoors. Wind, dust, rain - the hood takes the hit instead of your expensive lens. The mounting is rock-solid so it won't come loose during shooting, and it's specifically designed for compatibility with the EF 100-400mm f/4.5-5.6L series and works great with cameras like the 5D2, 60D, and 600D. Weighing only 72g, it adds minimal bulk while providing maximum protection. Whether you're shooting wildlife, sports, or anything that requires that telephoto reach, this lens hood helps you get cleaner, sharper images with better color saturation. It's one of those simple accessories that actually makes a noticeable difference in your photography results. Keep your lens safe and your images looking professional with this essential addition to your camera bag.