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

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  1. opisska

    Costa Rican Taxonomy

    Heh, that didn't occur to me to check :) According to the plot there, the peak is 370, that may be achievable with normal cameras just with filters - on a bright day. edit: i found some information on DSLRs and UV - Canon DSLR EOS camera’s and Ultraviolet (UV) photography « Mickyj's...
  2. opisska

    Costa Rican Taxonomy

    But human eye doesn't see UV light, so the result would be just black. There are some very near UV filters for cameras through which you can get some signal with some cameras, but that's honestly more "really violet" than UV and it's not great. Most glass gets really opaque very fast below 360...
  3. opisska

    Costa Rican Taxonomy

    Hmm.... I haven't gotten a new toy in a while :)
  4. opisska

    Costa Rican Taxonomy

    Good responses, thanks! i am a bit smarter now. Also, I have started to think how practical a UV camera would be for better ID :)
  5. opisska

    Costa Rican Taxonomy

    Considering that there is a lot - really a lot - of arguments by song, I'd like to ask an amateur question that's probably has been answered scientifically, I just don't know about it: how much do we know about what sounds different to the birds? Considering that even different humans have...
  6. opisska

    Costa Rican Taxonomy

    Just a regular reminder that paying too much attention to vocalization can lead to "species" such as Scottish Crossbill ... I have no doubts that neotropical diversity is underappreciated, that's simply a natural outcome of most of those carrying said appreciation not being present there. But...
  7. opisska

    Costa Rican Taxonomy

    I'd need another holiday for this. Not traveling, just sorting out all the armchair ticks :)
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