Is good for restoring all plastics. Crazed acrylic windshields also respond well to it. Be sure to try some in an areas you don't look through to test for color fastness. It has the added advantage of causing aplastic anemia due to cumulative long term exposure. I suggest buying a new lense, then take your time and read about plastic restoration on the web, away from this site. Plus, in most places the MEK is locked up and you need to be at least 16 to buy it so Just Helicopters.com readers are SOL. And yes, I know the post was a joke but many are not as smart as I are.