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Magnification vs. Exit Pupil
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<blockquote data-quote="Kevin Conville" data-source="post: 1578207" data-attributes="member: 63161"><p>That was an interesting report Bob, to the point you had me doubting myself!</p><p></p><p>So... I just spent 1/2 an hour A-B comparing Fujinon 16x70s against Leica 7x42 Ultravids. I don't have the 7x50 Fujinons and like I mentioned before, my eyes don't dilate to 7mm anyway so this is what I had to work with.</p><p></p><p>My findings are in stark contrast to what you found. Keeping in mind my 16x70s won't focus any closer than about 80', all comparisons were done at that distance or greater.</p><p></p><p>Really, no comparison at all. At anything that I could focus on, the big Fujis easily showed more detail. Block wall, foliage, distant street signs, shadowed license plates, whatever. All by moonlight. The magnification easily trumped any exit pupil advantage. <em>Both bins were tripod mounted as well.</em></p><p></p><p>I have no explanation for the discrepancy Bob, other than possible shake or poor focus. I know focusing can be difficult in low light and the big Fujis really need some real estate to focus on anything. </p><p></p><p>Anyone else?</p></blockquote><p></p>
[QUOTE="Kevin Conville, post: 1578207, member: 63161"] That was an interesting report Bob, to the point you had me doubting myself! So... I just spent 1/2 an hour A-B comparing Fujinon 16x70s against Leica 7x42 Ultravids. I don't have the 7x50 Fujinons and like I mentioned before, my eyes don't dilate to 7mm anyway so this is what I had to work with. My findings are in stark contrast to what you found. Keeping in mind my 16x70s won't focus any closer than about 80', all comparisons were done at that distance or greater. Really, no comparison at all. At anything that I could focus on, the big Fujis easily showed more detail. Block wall, foliage, distant street signs, shadowed license plates, whatever. All by moonlight. The magnification easily trumped any exit pupil advantage. [I]Both bins were tripod mounted as well.[/I] I have no explanation for the discrepancy Bob, other than possible shake or poor focus. I know focusing can be difficult in low light and the big Fujis really need some real estate to focus on anything. Anyone else? [/QUOTE]
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Magnification vs. Exit Pupil
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