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

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    "David Bowie" special eye lenses (will your eyes tell the difference?)

    I think most people would notice a difference in coatings between two oculars right away. Because the coatings are different and are performing differently, it would be almost like having a binocular that was out of alignment. I am sure if you used them for a long time, yours eyes would feel...
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