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There is one negative point that Brian raises concerning Newtonians on
equatorial mounts that needs addressing. For either several hundred
dollars, or, in my case, $5, you can modify any Newt so that you can
have a comfortable viewing position no matter where in the sky it is
pointing. This makes it easy to use near or at the zenith, which is more than you can say for a refractor, unless you have a tripod three metres tall. I posted a pic of my D.I.Y mod in a recent thread here.
raymo
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