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

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  1. T

    Dioptre Setting: Fallacy and Fact

    I disagre. It is a good idea! Schmidt-Pechan vs. Abbe-Koenig prisms. I have already some questions.
  2. T

    Dioptre Setting: Fallacy and Fact

    It seems the human eye is already in focus after 20m, therefore ciliary muscles are relaxed. I cannot be sure, I just read about it.