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

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  1. P

    CZJ T3M

    That's my understanding as well. But Tringa (if I understand his posts correctly) was talking about metalizing the other surfaces. To me it seems that would make no difference, given that total internal reflection would have taken place off those surfaces ... but I'd be more than glad for...
  2. P

    CZJ T3M

    Gotcha. But what would be the benefit of metallizing those other surfaces, given that total internal reflection would have taken place there?
  3. P

    CZJ T3M

    ... but they did, didn't they? Before the introduction of dielectric coatings, mirrored surfaces on Schmidt-Pechan prisms had to have been metallized - either aluminium (some Leitz) or silver.
  4. P

    CZJ T3M

    My impression was that Zeiss West's T* multicoating was superior to Carl Zeiss Jena's T3M - but I cannot in any way prove this. It's also possible that different qualities/grades coatings were used in the different ranges of CZJ porro and roof prism binoculars (Nobilem/Notarem/Jenoptem). I...
  5. P

    CZJ T3M

    I have a feeling only someone like Gijs, who has tested transmission in binoculars of different dates of manufacture, would really know. I wonder whether better anti-reflection coatings were used in the Nobilem/Octarem series compared to the traditional Dekarem/Jenoptem models. Incidentally...
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