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

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    Dielectric coating vs ED glass ?

    I'm Drinking wine at the time of writeing this article. My apologies. Please correct my drunking information below. (Short answer) I would seek a bino with a dielectric coating, with minimal chromatic aberrations, over budget ED glass, but in an ideal world I would have both. Reason/long...
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    Optical Manufacturing Question

    I was speaking to a contact of mine, well known to be very dodgy, (Third party dealing and chinese knock offs) when selling and dealing optics. When my contact produce some interesting information on optical (binoculars/scope ) lenses and in general about binoculars/scope manufacturer. That...
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