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

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  1. dorubird

    FUJINON 7x28M Military Pocketsize Binoculars

    Look at the exit pupil through a polarizing filter in front of the eyepieces. If the exit pupil has one part shaded or opaque and the other half transparent, that roof binoculars have no phase correction. In roof binoculars with phase correction, through the polarization filter the exit pupil...
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