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

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  1. B

    Light throughput equation

    The problem with a non full moon is that the albedo drops rapidly. The albedo of a full moon is about 0.12. The albedo of a half moon is 0.02. The brightness of a half moon is very much less than half a full moon. I don't know if the surface brightness of vignetted binocular images is...
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