Re: [ATM] diagonal flat testing

[Ken Hunter <atm_ken_hunter@yahoo.com>]

Hi Jerry...

Sounds like you did it right as long as the flat was
close to the mirror... close enough that you could see
the edge of the flat in the return beam from the
mirror that is.

Good work, get some practice in making those large
flats and you'll have a new career.

Ken Hunter

--- "Jerry B. Hillman" <JBHillman@ev1.net> wrote:
> Hi All,
> At the suggestion of Ken Hunter, I set up my
> Foucault Tester with the
> spherical 5" primary from my Meade scope.  After
> getting everything aligned
> I did the Foucault null test for a sphere and also a
> Ronchi test.  


	
		
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