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Originally Posted by Starcrazzy
Hey janoskiss..I am considering getting the 10" gso to put on my eq mount...how would you rate the gso's optics??
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I do not have the experience to be "rating" optics of this quality. The best scopes I've used so far are the ED80 and the GSO Dob. The GSO was giving me a lot of grief initially as most nights I couldn't get decent clear images of planets beyond about 80x and star images always looked soft and washed out outside the very centre of the field even with good EPs. I tried a number of things to remedy the problem, and learned a lot along the way. In the end it turned out to be insufficient cooling of the primary. The "leave the scope outside for 1/2-1hour and you'll be right" rule just does not work most nights. Since I fitted a 0.3A fan, it's been a real pleasure to use this scope. It does 300x without a problem in good seeing.