Camera Lens Hood JJC LH-83D Dedicated Bayonet Lens Hood, Compatible With CANON EF 100-400mm F/4.5-5.6L IS II USM Lens, 100 400mm IS II USM Lens Hood, Filter Access Window For CPl ND Adjust Sun Shade For Telephoto Lens The inner wall of the hood is matte to deal with the reflection. ENHANCED IMAGE QUALITY - Minimizes unwanted glare and lens flare the ET-83-D hood significantly improves contrast and color saturation in your photographs. PRECISION PERFECT FIT - Designed specifically for the Canon 100-400mm f/4.5-5.6L IS II USM lens guaranteeing secure attachment and optimal performance every time In frontlighting and side‑light photography, scattered light around the lens can be avoided. If you're rocking a Canon EF 100-400mm f/4.5-5.6L IS II USM lens, you definitely need this ET-83D Lens Hood. Made from quality plastic that's both solid and wear-resistant, this thing is perfect for eliminating unwanted light and glare during backlight, side light, flash, or night photography Specification: Item Type: Lens Hood Material: ABS Colors: Black Weight: Approx., 78g/2., 8oz Application: EF 100-400mm f/4., 5-5., 6L IS II USM Lens Package List: 1 x Lens Hood Best Camera Lens Hoods: A Complete Guide for Photographers It can prevent accidental damage to the lens, and can prevent fingers from accidentally touching the lens surface, but also to a certain extent to cover the lens from wind, sand, rain and snow.