Fotasy LH82 LH-82 Bayonet Lens Hood and Cleaning Cloth for Canon EF 16-35mm F/4L IS USM (Black) Replacement for Canon EW-82 Lens Hood Designed to prevent unwanted stray light from entering the lens. Ensures no problems with vignetting or motor functions. Fits Canon EF 16-35mm f/4L IS USM Lens With Fotasy Lens Cleaning Cloth