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

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  1. J

    In-flight manners

    Found a nice paragliding forum thread discussing flying habits of different birds (mostly soaring variety), it's something not commonly found in birding books since the perspective is a bit exotic perhaps. Personally I didn't have many encounters with birds while flying my paraglider (a couple...
  2. J

    Trying to understand birds a little

    Just trying to understand some bird psychology from a flying human perspective :-) I'm normally in the binocular section of this forum so apologies if this subject has been talked about before. Few years ago while on vacation in Switzerland I took a tandem paraglider ride (in Europe's mountain...
  3. J

    Filters for the 8x30 EII

    Is there a gizmo (something like the Bushwacker lens covers, say) that would allow me to attach a filter to Nikon 8x30 EII?
    • JanPB
    • Thread
    • Replies: 15
    • Forum: Nikon
  4. J

    Quantifying the field of view

    Just checking my sanity: I find all measures of field of view quantification nearly useless except the "apparent field of view" one (AFOV). Am I the only one? Just curious. The AFOV tells me immediately what I'm going to see. Other measures of the visual field seem quite opaque: both the true...
  5. J

    Neutral density filters for better view?

    Just wondering if anyone has tried neutral density filters on their binoculars for use in (bright) daylight in order to dilate eye pupils which in turn much improves the experience of moving your eyes around the field of view without blackouts. Is this sensible? I haven't tried the filters...
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