LensCoatA(R) for the Sony 300 2.8 LensCoatA(R) Sony 300 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) Sony 300 2.8 features a clear plastic windows over the auto focus controls and also the distance scale. A small hole on the last segment lines up with the red dot indicator, making it easy to quickly line up your lens with camera mount even with the cover installed. This cover fits both the Sony 300 f2.8 G and Sony 300 f2.8 G IIPlease note this is for the older A-mount lens, not the new Sony FE 300 f2.8 GM lens.