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

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  1. Troubador

    Dioptre Setting: Fallacy and Fact

    I would like to contribute to the Fallacy and Fact discussion by answering this question that has cropped up with regularity over the 10 years I have been a Birdforum member: "If I am wearing spectacles I don't need to adjust the dioptre do I? I can just leave it set to Zero can't I?" I am a...
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