The Lens Coat Lens Cover for the Fuji 100-400mm f 4.5-5.6 R LM OIS WR lens protects the lens with a 100% closed-cell neoprene coat, offering your valuable equipment some resilience to bumps, jars, scrapes & nicks. Easy to install & remove, leaving no residue on the lens, Lens Coat Lens Covers are ideal for nature & outdoor photographers, & for sports shooters & photojournalists.