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

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    The mystery of the Trailseeker ED 8x42's weight

    Maybe with a strap and caps binoculars are heavier. With IS binoculars, batteries also. Or maybe they switched to gold for the body material. Gold is heavy, but soft. The first thing I do when testing a binocular is to weigh it using calibrated scales, using accurate weights, usually 500g and...