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

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  1. Richard D

    Sticky Focus Wheels

    Swarovski have been using greaseless focusers for decades, Zeiss do on the HTs and presumably the SFs, not sure about all manufacturers...
  2. Richard D

    Sticky Focus Wheels

    A lot of binoculars have moved to a greaseless focuser.
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