RE: [ATM] Another Astigmatism question, but at the sphere stage

[Dale Eason <atmpob@yahoo.com>]

Jerry,
Your analysis of James Lerch's images is interesting. 
Would you care to try a blind test?  I have several
maskless foucault images of mirrors that I have also
done interferometery on so I think I know if they have
any significant astig.  I can post the images in the
atmlist upload section.  In addition I can send my
analysis to someone we trust in advance of your
analysis.  Or if you trust me I will just tell you my
analysis after yours.

You are also free to rate my images as not adequate to
make a determination but I think they will be as good
as those posted by James.

I would post them now but the upload area seems to be
down.  At least I can not connect to the atmlist.net
at the moment.

Dale Eason

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