Quote:
Originally Posted by gregbradley
Hehehe.
Dietmar has a nice TMB 9 inch refractor which is folded so its not too long.
Greg.
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Even so....10" f/7 = 70"....20" f/7 = 140" (11' 8" long)....not so long
I see them permanently setup in an observatory at your dark sky site
A 10" f/12-15 apo would be a cracker....best colour correction around, only the FoV would be restricted somewhat.