77mm Pro series Multi-Coated High Resolution Digital Ultraviolet Filter For Canon EF 70-200mm f/2.8L IS II USM Lens, Canon EF-S 10-22mm f/3.5-4.5 USM Lens, Canon EF 100-400mm f/4.5-5.6L IS USM Lens This ultimate clear uv filter will not affect color balance. It protects lenses from expensive front element damage Reduces lens flare and ghosting Microfiber Cloth 77mm HD Filter