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

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  1. C

    How often do you glass?

    When I was 10 years old my Dad gave me a 4 x 40 Galilean for my birthday. I beat it up unmercifully. It has dents on it but it still works. I don't use it anymore. Too much CA!:-O:-O I use various ones during the week and change them too frequently to wear any single one out. Bob
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