Re: ATM (no subject)

[Robert Duvall <rduvall@jlc.net>]

At 10:38 PM -0500 12/15/98, RICHARDBAL@aol.com wrote:
>Donald Clement asked:
>
>I'm going to use a camera shutter release cable in a foucault tester.

I'm wondering why you want to do this. To move the knife edge into the
light cone? There's FAR simpler methods. My web site shows a simple tester
that has tested a dozen mirrors sucessfully, from f4-f/10. Others have more
complex setups, but they really don't need to be for simple Newtonians.



Robert Duvall
Force5 Telescope Making Resources

Software Engineer, Amateur Astronomer (TN),
and General Scientist (according to my son)
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