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

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  1. jape

    Care of old Eyes.

    i have astigmatism when tired and at 67 sometimes closeup focus fails and i have to retry. as an archer until recently, when i noticed sight weakness i realised i had for many years exercised my eyes naturally in a way a friend who is an optosomething or other told me 50 yrs ago. she told me the...
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