The Realtree Max5 Lens Cover for the Nikon 200mm f/4 AF-D Micro IF-ED Lens from LenCoat is a 100% closed-cell neoprene coat that protects the lens from bumps and scratches. It is useful for nature and outdoor photographers, as well as sports shooters and photojournalists. It provides a thermal barrier, protecting your hands from cold lens surfaces in low temperatures. The Realtree Max5 pattern offers effectiveness in open terrain. The pattern features detailed cattails, millet, milo, corn stalks, sunflowers, oak and maple leaves, cedar and oak limbs, plus a variety of other plant life.