Re: Question on Mirror Coating

I had my mirror (12.5" f4.8) recoated by John Hudek of
http://www.galaxyoptics.com/
He was fast, did a very nice job and is a great guy to business with. The
coatings are a little more than most, but you get what you pay for. I must
say it was worth every penny! The views through this scope now are
fantastic.

Clear Skies
Stu

"Luca" <luca_grella@xxxxxxxxx> wrote in message
news:1125427207.391433.112850@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> I have to redo the coating on my 16 inch mirror.
> There is this going urban legend according to which the enhanced
> aluminum coating has a submicron roughness that degrades the image
> contrast.
> Since this coating is almost three times more expensive than the normal
> one, I would just like to make sure that this urban legend is actually
> a legend.
> Does anybody know by first hand experince if these coatings yield
> brighter images at the expense of contrast?
>
> thanks in advance.
>


.

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