They advertise Windex with "Ammonia D". Of course it has ammonia. You can find any number of references that state ammonia destroys coatings:
http://www.opticallabproducts.com/07/young.php I don't even clean my car windows with windex. I use the same electronics grade alcohol, especially if I'm going to apply Rainx. Typical telescope cleaning instructions suggest alcohol then follow up with acetone, but I never liked the ideaof using acetone. http://www.astro-physics.com/index.htm?tech_support/refractors/care_refractor Oh yeah, windex will make your CRT nice and shiny as it removes the antireflective coating. If you got the bucks, you can use grain alcohol, but that's such a waste. Fry's carries the electronics grade alcohol. Nowintergreen oil or other gunk. [EMAIL PROTECTED] wrote: >You are mistaken. I've communicated with the head of service for >Schneider Optics and Windex diluted 50:50 with water is the #1 thing he >recommends for cleaning lenses. > >Most lens cleaners are water bases, not alcohol based. > >Mr. Bill > > >lists wrote: > > >>Windex contains amonia which can etch coatings. Never use it on optics. >>Electronics grade alcohol is generally accepted as best for optics. I >>use cottonballs rather than cloth. >> >> > > > > > ---------------------------------------------------------------------------------------- Unsubscribe by mail to [EMAIL PROTECTED], with 'unsubscribe filmscanners' or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or body