The Canon E-180E Lens Cap is designed specifically for the Canon EF 400mm f/2.8L IS III USM lens. It protects the front of the lens from scratches, moisture, dust, and fingerprints when the lens in not in use. The cap serves as a spare or as a replacement item for the cap that is originally included with the lens.Â
Prop65 WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.