JJC LH-73C Bayonet Lens Hood Shade for Canon EF-S 10-18mm f/4.5-5.6 IS STM Lensreplaces EW-73C Replacement for Canon EW-73C Lens Hood Designed to prevent unwanted stray light from entering the lens. Ensures no problems with vignetting or motor functions. Fits Canon EF-S 10-18mm f/4.5-5.6 IS STM Lens With Fotasy Lens Cleaning Cloth