LensCoatA(R) for the Pentax D FA 70-200mm f/2.8 LensCoatA(R) Pentax D FA 70-200mm f/2.8 telephoto lens cover 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) Pentax D FA 70-200mm f/2.8 features a clear plastic windows over the auto focus controls and distance scale.