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Re: [ATM] 16" RCC primary

At 2006-01-22 10:47 +0100, Attila Schné wrote:

>Make a Couder Mask and just measure the remained LA wich should be, if I 
>am at the desired curve. Now I just have to figure out how  should I set 
>up the Figure Xp wich calculates me the exact readings for a masked 
>autocollimated mirror.

I'd suggest not using the flat - just slap on the mask and do a 
straight-forward Foucault test which FigureXP can reduce.

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

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