[ATM] Detecting Astig in Ronchi images

[Dale Eason <atmpob@yahoo.com>]

I'm trying to help David Davis identify astig in
ronchi images.  Can any of you see signs of astig in
these images?   They were taken every .05 inches
starting about .2 inside ROC.

http://home.comcast.net/~doeason/DDavis/ronchi_scan.htm

If you can identify what it is that tells you.  Can
you also estimate the major axis and/or the magnitude?

I'm sorry they are not full height but that is the
best the web cam can do on the computer controlled
platform.  If that is not good enough then say so but
I can't get better until Edmund gets the lens I need
in stock in 2 weeks.

Dale Eason

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