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Re: [ATM] Strange Chinese Telescope Design f/3.6, spherical mirror
Aha. Thanks for the info. It is indeed a short tube.
Oh, I also forgot to mention that the mirror is plate
glass and looks to be about 1/2 inch thick.
Collimating this sucker is really a bear.
Guy
--- George Anderson <georgea@cam.org> wrote:
> Hi Guy
>
> The Celestron Nextstar 114 works the same way, a
> fast spherical primary
> with a barlow in the focuser tube. Works good enough
> for Joe Average to
> get bitten by astronomy and aperture fever.
> Makes for a small portable scope.
> I won one as a door prize at the ROC convention last
> spring, it makes a
> handy grab and go. When the mirror needs recoating
> I'll look at
> parabolizing it and make it a small rft.
>
> George Anderson
> Montreal Canada
>
=====
Guy Brandenburg
Washington, DC
My home page:
http://home.earthlink.net/~gfbranden/GFB_Home_Page.html
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