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Re: [ATM] FigureXP and Foucault test Analysis

At 2005-03-29 20:06 +0200, Jan van Gastel wrote:

>I have used two programs to evaluate the foucault readings of the 12 inch
>f/5 mirror I am making: FigureXP and Foucault Test Analysis. The last
>program consistently evaluates the quality lower. Where, for instance,
>figure XP calculates a P-V wavefront error of 1/6.32 lambda, FTA calculates
>a wavefront error of 1/4.28 lambda. Does someone know the cause of the
>difference and which program is correct?

Jan,

Post your Foucault readings (zone inner & outer radii, readings, ROC, 
fixed/moving source) and I can give you a third opinion.

         -- Jim Burrows
         -- mailto://burrjaw@earthlink.net
         -- http://home.earthlink.net/~burrjaw
         -- Seattle N47.4723 W122.3662 (WGS84) 

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