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

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  1. G

    Curio 7x21 vs. CL 8x25 pocket

    A lot of confusion about brightness. Brightness is a psychological phenomen which is determined by: -a- the amount of light -b- the color distribution of the incoming light. Our eyes judge some colors as bright and others less so. (blue and green are "bright colors", red and far red not). To...
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