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

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  1. brocknroller

    Dielectric Prism Coatings

    Rick, Jerry knows optics and how measurements are made, etc., and probably agrees with most of what you said in general about optical measurements since I've said the same things myself (though less technically) in my many debates with Henry. I think Jerry reacts as I do when Dennis starts...
  2. brocknroller

    Dielectric Prism Coatings

    Bob, What does "ATB performance" mean? I know that ATB = All Terrain Binoculars but does that have any standardization attached to it such as operating over a certain range of temperatures (from Arctic to desert conditions) or WP down to 1 fathom or it can be tossed so many meters before...
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