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Lew Chilton
Pooh-Bah
Reged: 10/20/05
Posts: 1022
Loc: SoCal
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Quote:
The old Edmund diagonals like that one are superb, and that Edmund 1" Kellner in lower right...
Robert
That Edmund Kellner eyepiece was my favorite before I sold it with my 8-inch scope in 1963 just before my enlistment in the service. That Kellner came with my Edmund Palomar Jr. that I purchased used from Cave Optical in 1958 for $64.
Here's a picture of the Kellner setting on a medium ground 8-inch mirror that I wasn't able to finish.
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I don't get no respect, but my scopes do! 
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1961 Swift 60mm model 839 (2); 2003 TV-102/GM-8; 1959 8" f/6 Treckerscope; 1959 8" f/7.4 Murray Scope; 1959 Fecker Celestar-4; 1978 4" Edmund Astroscan; c. 1986 4-inch Celestron-Vixen SP-C102; c. 1950 20X60 Saturn spotting scope; 1963 7X50 Nippon Kogaku binoculars; Unitron #114 alt-az mount (Swifty-tron)
Edited by Lew Chilton (10/11/09 08:55 PM)
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actionhac
professor emeritus
Reged: 08/09/08
Posts: 735
Loc: WA
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Here is a interesting web site, lots of fun. Go to Feb. 3rd 2009 his review of this ep.
http://www.petealbrecht.com/blog/blog.htm
Robert
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actionhac
professor emeritus
Reged: 08/09/08
Posts: 735
Loc: WA
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Forgot to say I have a few of the Kokusai Kohki Ortho's he mentions and they are excellent.
Robert
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deSitter
Carpal Tunnel
Reged: 12/09/04
Posts: 2928
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I've never used this eyepiece but I think I can imagine what he's talking about the with disappearing act - the exit pupil has no SA so you can put your eye anywhere and the image is stable - and you can't see the barrel or the field stop at some point and the eyepiece is just gone! that must be spectacular to experience.
-drl
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