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Tuesday 18th October 2011, 23:04
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#1 |
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Registered User
Join Date: May 2007
Location: Coimbra
Posts: 233
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Exit prism Field stop of 88 models
Following the Bill ideas posted at http://www.birdforum.net/showthread.php?t=187915 I got curious to know the exit prism field stop of 88mm models, including the lens/scope. Any one knows it?
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David _____________________ http://www.pt-ducks.com |
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Wednesday 19th October 2011, 00:53
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#2 |
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Don't Worry, Be Happy!
Join Date: May 2008
Location: Tokyo
Posts: 2,360
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The angled prism window opening is 24mm BUT there is an interior stop that appears to be 21mm. This matches the fieldstop of the 30x Wide eyepiece, fl=17mm. I have not measured the straight scope.
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