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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. kimmik

    A different set of four hand-held binoculars

    What I don’t understand, is why AFOV specification is often calculated and estimated when it is so easy to measure the actual value. True FOV x mag is only correct for afov if there is uniform angular magnification, but not all binoculars take this approach. NL 10x42 has 7.6degrees true, but...
  2. kimmik

    A different set of four hand-held binoculars

    It may be a coincidence, or a clue to how my brain and eyes work, but the four binoculars have FOV of 7.5 (papilio), 7.6 (slc), 7.7 (noctivid) and 7.8 (habicht). If the future 10x42 has 7.4deg FOV would fit right in. Something about keeping the true FOV similar, makes switching between them...
  3. kimmik

    A different set of four hand-held binoculars

    @Scott98 woops, added in haha. Hmm SF is listed as 64deg afov by zeiss, but I haven’t tried to confirm it, sounds about right for a field flattened binocular. Pure speculation on my part that 2025 or so will be 10years of SF, and 5 years of NL, a good time to introduce the next victory and set...
  4. kimmik

    A different set of four hand-held binoculars

    It is no secret who's thread inspired this post - @dorubird's essay made a lot of sense to me and I could see myself with the exact same set of four, but the way things worked out gave me a different but also satisfying complement of binos. The biggest difference other than size, is that...
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