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  #24  
Old 06-19-2018, 04:44 PM
TinMan TinMan is offline
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Join Date: Sep 2006
Posts: 2,800
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Yes, a very good refresher course. Thank you and welcome to the board. I remember some of that from when I was looking for binoculars some years ago, looking at specs, and searching for "exit pupil" specs for the different brands and models.
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