Re: [ATM] The 15.5 inch Ultrathin, more pictures

[Ric Rokosz <radicell2@yahoo.com>]

--- vorblesnak@peak.org wrote:

> 
> While working on the 16 I got great tests on the
> stand and disasters at
> anything put verticle.  Astigmatism jumped right in
> when the glass was
> tilted to, oh say .. 45 degrees.  Right then I knew
> that for a more
> rigorous testing regimen I would need the cell the
> mirror was going to
> live in.

You might wont to get in touch with Dean Ketelson who
use to be on the list,that oversees the work at the
Mirror Lab.They've been working on thin blanks since
the mid '90s up to meter or more in size.The only true
way to test it is face up in it's cell.

Ric





		
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