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I have a 10" mirror with certificate

Started by vpdwl, 07/26/2007 12:11AM
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Posted 07/26/2007 12:11AM Opening Post
David Landreth
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Join Date: Mar 2002

Location: Odessa TX, US

Posts: 36

I have a 10" mirror with certificate. I need help in understanding what it means.
strehl .97
rms 0.030
peak to valley .014
how good is this mirror?

thanks David
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Posted 07/26/2007 12:47AM #1
Alan French
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Location: Scotia NY, US

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David Landreth said:

I have a 10" mirror with certificate. I need help in understanding what it means.
strehl .97
rms 0.030
peak to valley .014
how good is this mirror?

thanks David

Are you sure you posted the numbers correctly? The RMS value should be better than PTV.

Clear skies, Alan
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Posted 08/26/2007 04:47PM #2
David Pitre
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Join Date: Feb 2005

Location: Manor TX, US

Posts: 56

So is Mr Ostahowski still making Discovery's mirrors?
Unless I'm missing something an 18" (or 17.5") mirror is about $1000. more from Terry Ostahowski than from Discovery.
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