The LensCoat Nikon Lens Cover (Realtree Max4) is designed to fit a Nikon 800mm f/5.6 AIS manual focus lens. It covers the lens with a 100% closed-cell neoprene coat that protects the lens from bumps and scratches. Ideal for nature and outdoor photographers, and for sports shooters and photojournalists. It also provides a thermal barrier, protecting your hands from cold lenses in lower temperatures. The cover is waterproof, providing protection in inclement weather. The Realtree Advantage Max4 camouflage pattern offers maximum effectiveness in open terrain. The pattern incorporates cattails, millet, milo, corn stalks, sunflowers, oak and maple leaves, cedar and oak limbs, plus a variety of other plant life into the largest camouflage artwork on the market.