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[ATM] How many zones

Subject: [ATM] How many zones
From: jonathan_bishop at sbcglobal.net (Jonathan Bishop)
Date: Wed Feb 18 01:51:17 2004

Hi,

I am figuring an 8" f5 mirror. Can someone recommend the number of zones to measure? I read Tex and he discusses using 4 zones, but that is for an 8" f8 mirror (or was it f6).

Since I am new to this probably 4 zones is easier, but will it be sufficient?

Thanks,

Jon Bishop

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