JJC LH-83D Bayonet Lens Hood and Cleaning Cloth for CANON EF 100-400mm f/4.5-5.6L IS II USM Lens, replaces Canon ET-83D Replacement for Canon ET-83D Lens Hood Prevent unwanted stray light from entering the lens Comes with a filter access window for CPL, ND filters adjustment Fits CANON EF 100-400mm f/4.5-5.6L IS II USM Lens With Premier Cleaning Cloth