Dedicated to the Canon EF-S 18-135mm f/3.5-5.6 IS USM lens and RF 24-105mm f/4-7.1 IS STM lens, the Canon EW-73D Lens Hood helps to minimize flare by deflecting stray light from entering the front element of a lens. The hood also provides additional protection to the lens from accidental impacts, bumps, or scratching. Compatible Lenses EF-S 18-135mm f/3.5-5.6 IS USM RF 24-105mm f/4-7.1 IS STM