Product type :CAMERA LENSES Package dimensions :3.6 cm L x9.6 cm W x9.8 cm H country of origin :Japan It helps to minimize flare and does so by deflecting stray light from entering the lens. Features:The Canon EW-73C Lens Hood is designed specifically for use with the Canon EF-S 10-18mm f/4.5-5.6 IS STM lens. It helps to minimize flare and does so by deflecting stray light from entering the lens. The hood also provides protection from accidental impacts, bumps, and scratches that may occur.