Amazon.com : 82mm UV Filter for Canon Digital Cameras Which Have Any of These Canon Lenses EF 16-35mm f/2.8L, EF 24-70mm f/2.8L : Camera Lens Sky And Uv Filters : Electronics
Canon 72mm UV Protector Filter 2599A007 B&H Photo Video
82mm UV Protective Filter for Canon, Nikon, FujiFilm, Olympus, Panason – Big Mike's Electronics