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  1. J

    Brightness of 8x32 vs 10x42

    Hi, here some in depth info on the subject... as usual a big thank you to Holger Merlitz who wrote a paper on it himself and lists the relevant sources (the latter often in german). http://www.holgermerlitz.de/bino_performance/bino_performance.html Joachim
  2. J

    Brightness of 8x32 vs 10x42

    Hi Gijs, as for transmission - you are correct, I should have talked about that but didn't as the original post was trying to decide between an 8x32 SF and a 10x42 SF which I assume to be quite comparable in transmission. Regarding magnification - sure, a higher magnification will not make the...
  3. J

    Brightness of 8x32 vs 10x42

    Hi, first of all, welcome to BF! As a dedicated pair for observations at dawn or dusk, I would take a pair of 10x42 over an 8x32. Of course, if you are younger and your eyes pupils still open wide in bad light, a pair of 7x50, 8x56 or 10x70 would be best. In general, the basic number to...
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