JJC LH-78E Lens Hood is designed specifically to fit the Canon EF-S 15-85mm f/3.5-5.6 IS USM Lens. Canon EF-S 15-85mm f/3.5-5.6 IS USM Lens. Lens hoods are primarily designed to prevent unwanted stray light from entering the lens, by extending and shading the end of the lens.
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