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20-05-2017, 04:49 PM
astro744
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Join Date: Apr 2007
Posts: 1,244
Quote:
Originally Posted by
Merlin66
Re the Klee x2.8 "debate"
See:
https://stargazerslounge.com/topic/4...lee-28-barlow/
Yes the cloudynights link gets a bit heated.
I know about the Pretoria eyepiece (28mm I think) and it WAS coma correcting but can't remember what optimal focal ratio / focal length Newtonian it was designed for.
astro744
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