The Realtree Advantage Max4 HD Lens Cover for the Canon 500mm f/4.5 Lens from LensCoat covers the lens with a 100% closed-cell neoprene coat, offering protection from bumps, jars and nicks. This coat will allow you to blend in with your surroundings. It is useful for nature and outdoor photographers, as well as sports shooters and photojournalists. The Realtree Advantage Max4 pattern offers effectiveness in open terrain. The pattern features cattails, millet, milo, corn stalks, sunflowers, oak and maple leaves, cedar and oak limbs, plus a variety of other plant life.