Quote:
Originally Posted by Paul Haese
BTW a 4" scope would not qualify as the best scope under my criteria and many others I'll warrant. It might be a good work horse if it got worked. 
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But a 4" fluorite scope could possibly make "the best" guidescope...
EDIT: It might be impossible to identify the best telescope for astrophotography, but I can tell you that Orion ED80TCF is one of the worst ones...that have a glass lens of course.