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

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  1. wdc

    quick math question.

    BC, you Andy both have valid points. One can examine the disparity from a real world perspective, in this case, closer range, which may correspond to the terrain/habitat one is birding, and realize that number isn’t as critical as it sounds. At the same time the advantages of a wider fov are...
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