ET-54 Lens Hood for Canon EF 55-200 f/4.5-5.6 USM -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. -Bayonet mount design -Hood Type: ET-54 -Hood Material: Plastic -Compatible With : CANON EF 55-200mm f/4.5-5.6 USM CANON EF 80-200mm f/4.5-5.6 II We specialize in electronics accessories like cameras cell phnes, computers etc. Store Name: "Cable Link"; 2525 Carling Avenue, Unit 16, Ottawa, K2B7Z2; Tel: 613-680-6188 Lincoln Fields Shopping Center (Upstairs, Close to Service Canada)