Maksutov-Cassegrain vs. Dobsonian
Posted 27 August 2008 - 04:00 PM
Posted 27 August 2008 - 10:44 PM
An ETX 125 is awesome for planetary viewing because of it's long focal length, not so great for deep space objects and it's a very lightweight and portable scope.
The Dob on the other hand, would be really good for deep space objects, but it can be a pain having to collaminate the optics perfectly for good planetary viewing, I found a cheshire collamination eyepiece is mandatory. And the extra weight of a big Dob can be a beast to carry around and set-up.
All in all, both are good choices.
Posted 28 August 2008 - 05:35 AM
Posted 03 September 2008 - 07:27 PM
I've heard some discouraging news about the ETX range. The optics are great and I suspect the ETX 125 will perform pretty much as my Mak but the tracking isn't so good.
I'd like to hear from anyone who has had a better experience.
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Posted 03 September 2008 - 09:33 PM
But for visual observing I can live with it.
Posted 04 September 2008 - 04:43 PM
Posted 04 September 2008 - 05:46 PM
Western Washington University
Posted 04 September 2008 - 09:24 PM
I guess the ETX can do astrophotography well in the right hands!
Well done !
Posted 17 December 2008 - 07:12 PM
Magnification is changed by swapping out eyepieces, and you rarely go above 300x anyway (except in calm steady cold clear winter nights)
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