Quote Originally Posted by benjiboy View Post
N.A.S.A. use R.O.R to clean their optics http://www.ror.net/ if Lighter fuel, naptha or isopropanol were better products they would use them.
Unfortunately, these are the same folks who claimed you'd get 1 stop greater lens speed using their product. Cum grano salis...

They'll never see a cent of my money.