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Re: [ATM] How dark is dark?

To: ATM List <atm@atmlist.net>
Subject: Re: [ATM] How dark is dark?
From: David Nicholls <dcn@dcnicholls.com>
Date: Wed, 27 Sep 2006 09:29:30 +1000
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References: <002301c6e183$92ffc980$0402a8c0@dell1> <4519507F.6070407@outofop tions.org><1088003224.20060926171635@cncservo.co.uk> <451957C5.9030401@outofoptions.org> <001801c6e18e$2e025bf0$500dfea9@piv555a133b59e>
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Vladimir Galogaza wrote:
> What professionals are doing is what is used in Hubble. The paint they used
> is made of many small crystals that trap most of the light by multiple
> reflections and absorptions before the rest escapes. So by definition this
> is matte surface. I will say that its components, individual "crystals", are 
> glossy.
> Do not ask for the price of such paint.

For two interesting papers on "Deep Space Black", see:

http://nscicorp.com/public/DSB%20Article%20in%20Finishing%20Forum.pdf and
http://www.nscicorp.com/public/Deep%20Space%20Black.pdf

It looks *really* black, but at what cost? :-(

DN
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Follow-Ups:
- Re: [ATM] How dark is dark?
  - From: Andy Saulietis <iss@pvtnetworks.net>
- Re: [ATM] How dark is dark?
  - From: "Mitch" <funnybone101@earthlink.net>

References:
- Re: [ATM] How dark is dark?
  - From: "Jack Swaton @ Starry Host" <jswaton@starryhost.com>
- Re: [ATM] How dark is dark?
  - From: Richard <cnc@cncservo.co.uk>
- Re: [ATM] How dark is dark?
  - From: hermit <hermit@outofoptions.org>
- Re: [ATM] How dark is dark?
  - From: "Vladimir Galogaza" <vladimir.galogaza1@zg.t-com.hr>

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