The Canon ET-60 Lens Hood is designed for the EF 75-300mm f/4-5.6 III, EF-S 55-250mm f/4-5.6 IS STM, and EF 75-300mm f/4-5.6 IS USM lenses. It effectively reduces lens flare and ghosting, improving image contrast and clarity. This hood also provides essential protection against impacts and scratches, ensuring the longevity of your lens. Its bayonet mount allows for quick and easy attachment.