Description
Includes the following:Canon ET-155 Lens HoodFeatures:For the EF 400mm f/2.8L IS II USM Lens and EF 800mm f/5.6L IS USM LensThe Canon ET-155 Lens Hood for Select Canon Telephoto Lenses is a dedicated lens hood for the Canon EF 400mm f/2.8L IS II USM and EF 800mm f/5.6L IS USM lenses.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 get the benefit of extra protection from accidental impact. Dedicated lens hoods are designed to match the specific focal length of the lenses for which they were designed.
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