Designed to securely fit the RF 50mm F1.8 STM lens, the ES-65B lens hood prevents flare and ghosting caused by stray light entering the lens. This high-quality lens hood is built to protect your lens from weather and robust use, helping you produce clear and sharp images in almost every scenario. Benefits Designed for the RF 50mm F1.8 STM lens Prevent stray light from entering your lens Helps protect the lens front element from knocks, scratches and weather For use in a studio or out on location What\'s in the box Canon ES-65B Lens Hood Compatibility RF 50mm F1.8 STM Lens