67mm Pro series Multi-Coated High Resolution Digital Ultraviolet Filter For Canon EF 70-200mm f/4L USM Lens, Canon EF-S 18-135mm f/3.5-5.6 IS Lens, Canon EF-S 17-85mm f/4-5.6 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 67mm HD Filter