LensCoatA(R) for the Nikon 300 f/2.8 VR and VR II 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. The LensCoatA(R) N300VR features several clear plastic windows over the VR and Focus limiting switches, and the memory function Switches, and also the distance scale.