Quote:
Originally Posted by gregbradley
A contentious question. I mean for deep sky imaging as visual would have a whole lot of different values.
Perhaps it should be by aperture. 4, 5,6,8, 10, 12, 14, 16, 17, 20 inch aperture of any type.
Greg.
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You need to specify fixed (observatory) or portable.
And is cost an issue?
And a preference for type?
Photographic use or visual?
At each size, you could pick a "best of breed" for each type, though finding commercial refractors over 10" might be tough.
Some of the scopes will exceed a quarter million dollars.
Don Pensack
Los Angeles