ET-65B Lens Hood for Canon The ET-65B Lens Hood is compatible with the for Canon EF 70-300mm f/4.5-5.6 IS and DO IS USM Lenses Lens reduce unwanted light reaching the lens. All Canon lens hoods are functional, rugged and well-designed. Indespensable for protecting valuable lenses. Shield your lenses from extraneous light and prevent flare from spoiling your images
