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RE: G9, Maksutov-Newt Or Maksutov-Cassegrain

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Posted by Kip Crawford on October 22, 2000 07:26:06 UTC

There`s one SCT I know well is the G-8 from Celestron (under $1000). Any scope that is closes on both ends will have a longer cool down time. Refractors aren`t effected as badly. The large mirrors can see "heat waves" whereas the refractor lenses don`t so much. Mak-Newts are indeed good scopes as is SCT`s. If you are a casual to frenquent observer then prepare your scope way in advance for cooling before going outside. Store them away from light or a heat source and if you can set them outside an hour or so before observing.
The G-8 is a no frill SCT that can do astrophotography also, if you wish it. It was designed to sit on a CG-5 mount. Meade has a 8" SCT for less than a $1000. Now Celestron has a 8" Nexstar that retails around $1800. I hear that is a good scope. Good Luck!

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