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

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  1. Hermann

    What model leitz is this?

    I don't doubt you can see birds through a Trinovid without phase-coatings. I also don't doubt the old Trinovids are "pleasant and usable". But the optical quality isn't anywhere near that of a modern phase-coated roof, in no department. There are certainly some differences between the...
  2. Hermann

    What model leitz is this?

    The old Trinovids are nice, no doubt, but they're without phase-correction. That's *very* obvious then you compare them to any decent phase-corrected roof: They're a lot softer, with less contrast. I wouldn't really want to use one nowadays in the field. Hermann
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