LensCoatA(R) for the Panasonic 200mm f2.8 & 1.4x Teleconverter The LensCoatA(R) for the Panasonic 200mm f2.8 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. Acts as a thermal barrier, in hot and cold temperatures. The LensCoatA(R) features several clear plastic windows over the AF/MF, OIS, aperture ring and limiting switches. Also includes a section for the DMW-TC14 1.4x Teleconverter