[ATM] High Zone Drifter

[Don Bates <dbates59@yahoo.com>]

Hello All:
- Could someone please take a look at the surface
diagram below:
http://www.atmlist.net/contrib/dbates59-at-yahoo-dot-com/Bates09272004Fig.jpg

This is a 10-inch f6.6 plate glass primary. I have
been figuring it for a while now. Figure XP reports
the following:
 - 1/2 PV Wave error at zone #1
 - 0.574 Strehl Ratio
If I am reading this right, here is the status of
things:
1) The center and edge are in pretty good shape.
2) Zones 2 -4 are high, and need to come down. 

What is the best stroke for reducing mid to outer
zones? I don't want to dig the center hole any deeper,
and the edge seems to better pretty good. How can I
reduce the other high areas without lowering the
center and middle? Thanks!!!!

Don

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