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

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  1. G

    Stalking the Elusive Alpha

    Lee, post 110, In our physics courses, Newton is not connected with quantum theory and although he was a very clever, gifted scientist he is to my knowledge not connected with the photon concept of light. SteveC, post 111, Van Leeuwenhoek was not a scientist, but his microscopes and his...
  2. G

    Stalking the Elusive Alpha

    Lee, post 107, Since Huygens died a long time ago, I am not able to read what he thought, but he certainly was not aware of quantum theory, since that was formulated quite some time after his death, so no photons from Huygens. Gijs
  3. G

    Stalking the Elusive Alpha

    Gentlemen and gentlewomen, I am weeping behind my computer, we have tried with so much effort to educate the birding community about the historial developments in the field of optics in The Netherlands. I will give a very short list: -1-Hans Lipperhey was a spectacle maker in Middelburg The...
  4. G

    Stalking the Elusive Alpha

    Jan, post 92, jij zou toch zwemmen en duiken?????? Perhaps you can tell us which binocular of the ones you took with you that is most suited for diving expeditions, there must be at least one Nikon type fulfilling these demands. Gijs
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