This Bayonet Lens Hood is designed for use with Canon EF-S 18-135mm f/3.5-5.6 USM lens. Lens hoods are primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens. Jazz up your photos with richer colors and deeper saturation Twist-lock mounting for extra security In addition, since the end of the lens is extende This Bayonet Lens Hood is designed for use with Canon EF-S 18-135mm f/3.5-5.6 USM lens. Lens hoods are primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens. Jazz up your photos with richer colors and deeper saturation Twist-lock mounting for extra security In addition, since the end of the lens is extende Prevent glare and lens flare caused by unwanted light Looks like Original design reduces vignetting effect Protect your lens from minor impact Twist-lock mounting for extra security Can be attached in the opposite direction for storage Color: Black Material : Plastic Package Including: 1 x EW-73D Lens Hood Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.