LensCoatA(R) for the Nikon 120-300mm f/2.8E FL ED SR VR LensCoatA(R) telephoto lens covers offers your valuable equipment some protection from scrapes and bumps, preserving its resale value. It also helps break up the shape of your lens, making it less noticeable to wildlife. Also acts as a thermal barrier, in hot and cold temperatures.The neoprene LensCoat acts as a thermal barrier making the lens more comfortable to handle in hot and cold tempertures.The LensCoatA(R) N120-300 features several clear plastic windows over the VR/AF switches and the distance scale.