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Re: [ATM] Figuring question

Thanks Mike,
I really appreciate the advice, especially how to better use figure XP.
Also, just to let you know, I'm not using a 10 zone mask, I'm using 2 
alternating 5-zone masks.  I find that even with 5 zones it can be hard to 
judge the very outside zone due to diffraction.  I think my next upgrade to 
my tester is to rig up a finderscope or something else low power, in order 
to judge the outside zones better.

Thanks again,
Lance

>
>10 zones for a 12.5" mirror is a bit high.  If you really want some testing 
>practice and you want to check your skills, try a 7-zone mask.  But, 
>assuming the readings are OK, you should first worry about the outer zones.
>etc.....


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