4 Pack Vello EW-73BF Dedicated Lens Hood with Filter Access Panel
: Vello EW-73BF Dedicated Lens Hood with Filter Access Panel(4 Pack) : Electronics. For Canon EF-S 17-85mm f/4-5.6 IS USM, EF-S 18-135mm f/3.5-5.6 IS & STM Lenses . Limited 1-Year Warranty . The dedicated Vello EW-73BF Lens Hood is specifically designed for use with Canon's EF-S 17-85mm f/4-5.6 IS USM, EF-S 18-135mm f/3.5-5.6 IS & STM Lenses. .Lens hoods are primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens. A dedicated lens hood is designed to perfectly match the specific focal length of the lens it was designed for. Moreover, this hood features a non-glare matte finish on the interior surface to further prevent or limit lens flare. Also, since the end of the lens is extended, you get the added benefit of some extra protection from accidental impact..This lens hood features a filter access panel that allows you to easily reach and adjust rotating filters without the need to remove the hood from the lens. The "petal" shape of this lens hood maximizes the amount of hood coverage for the minimum amount of weight and hood area. The bayonet mount is designed to also work in the reversed position, allowing the hood to be placed backwards over the lens for a more compact storage solution..Designed to accommodate the exact angle of view of the camera's lens..Minimizes flare and ghosting by blocking out stray light..Protects your lens from accidental impact and the elements..Filter access panel can be removed for easy adjustment of rotating filters. . . .