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echo: atm
to: ATM
from: optic{at}gwi.net
date: 2003-04-02 08:02:34
subject: RE: ATM How Good Does a Diagonal Need to Be?

From: "CSC" 
To: "Atm" 
Reply-To: "CSC" 




  I am looking at having
a
> minimum obstruction scope with the diagonal just far enough from focus to
> avoid seeing the dust on it.   A relay lens or gregorian secondary will
> re-form the image where it can be accessed by eyepieces.
>
> . . . Richrad


Is richrad the name of this design?

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