Promaster Replacement Lens Hood ET65III for Canon  Compatible with:

Canon EF 85 f/1.8 USM Lens

Canon  100 f/2.0 USM Lens

Canon  135 f/2.8 SF Lens

Canon 100-300 f/4.5-5.6 USM Lens

Using a lens hood prevents light from hitting the front lens element from the sides, thereby reducing contrast and creating flare. Pictures taken with a lens hood will generally have richer colors and deeper saturation. Lens hoods also add additional protection for your lens. PROMASTER replacement lens hoods are super high quality with excellent fit and finish.

Lens hoods are primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens