Hi Gang It very easy to forget just where we are go back to your web browsers and do a search for anti+fog+coatings and check out the newest technologies soap went out with the dinosaurs. Try www.hydromer.com for some free samples clear lenses and skys Bruce To UNSUBSCRIBE from the 'meteorobs' email list, use the Web form at: http://www.tiacdot net/users/lewkaren/meteorobs/subscribe.html