Canon ET-74 Lens Hood for EF 70-200mm f/4L Lens
Canon ET-74 Lens Hood For Sale From Foto Discount World.
Buy Canon ET-74 Lens Hood From Foto Discount World.
The Canon ET-74 Lens hood 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.