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Originally Posted by yagon
How much more can one see with 20x80 vs 15x70 (or 11x70)?
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Somebody on CN made a comprehensive study on this topic re the affects of aperture and magnification in binoculars as to the faintest magnitude stars that could be seen.
Look in CN binocular forums, best of links. If you find it, all the answers are in there.
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Originally Posted by yagon
Is it possible to use the 15x70s handheld?
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Yes, but with some difficulty. I did a mini review here of the AOE 15x70, a search will find it.