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

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    Maven B1.2 10x42 depth of field

    Depth of field (DOF) was discussed in depth (pun intended) on Cloudy Nights some years ago. After experiments, some experienced observers agreed with theoretical calculations that DOF depends only on magnification. As to why the area that is in focus appears different in different binos of the...
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