This item is backordered by the manufacturer.
Lens hoods are primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens. In addition, since the end of the lens is extended, you also get the added benefit of some extra protection from accidental impact.
Dedicated lens hoods are designed to match the specific focal length of the lens it was designed for.
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Comments about Canon ES-65 III Lens Hood:
I use this with my EF 50mm f/1.8 Mark I (Metal Mount)lens. It fits the lens perfectly and has a snug fit. It snaps on easily and comes off when you push the two buttons on the side. (not viewable in product picture) This hood does it job well and well built. It reverences easily on the lens for storage
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