The E-82 II 82mm Lens Cap from Canon is a center-squeeze snap-on type lens cap for Canon EF and EF-S lenses with an 82mm front diameter. A front lens cap protects the lens from scratches, moisture, dust and fingerprints when the lens is not in use.
EF 16-35mm f/2.8L II USM, EF 24-70mm f/2.8L II USM