Reversable EW-83E EW83E Lens Hood for EF 16-35mm f/2.8 L USM 17-40mm EF-S 10-22mm Features:
The lens hood provides a cost-effective solution to the problems caused by sun glare rain and wind-blown debris and is also valuable in providing protection against knocks and damage
In addition, since the end of the lens is extended, you also get the added benefit of some extra protection from accidental impact
Lens hoods block side glare and augment the protection provided by filters to the lens surface and ring
