The LensCoat Nikon Lens Cover (Forest Green Camo) 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. This classic Forest Green Camouflage pattern is ideal for general use in wooded areas.