Re: [ATM] Silvering telescope mirror's

[lance clarke <alaskawolfjoe@hotmail.com>]

Also, silvering can be useful for back surface mirrors, like the corrector in a schupmann or a mangin mirror.  In these cases, you can silver it, slap a coat of laquer over it and the corrosion is blocked.
 
Lance
Toronto> > Essentially my view. There is some fun inorganic chemistry here,> but everyone went with aluminizing because it is simply a lot> more practical. Silver is slightly more reflective, but this is> hardly a reason to choose this material.> > There is some rationale however to consider silver coatings, for> a select few people. It will introduce you to alternative coatings> that can reflect considerably better at some wavelengths outside> the visible where aluminum is a poor choice. I dare not predict> the future, but would not be surprised to see future amateur> astronomers getting into a lot more wavelengths than just> visible.> > Dominic> > _______________________________________________> ATM mailing list http://www.atmlist.net/
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