LensCoatA(R) for the Olympus M.Zuiko 12-100 f4 Pro LensCoatA(R) Olympus12-100 f4 Pro 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) Olympus 12-100 f4 Pro features a clear plastic windows over the auto focus controls.