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

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  1. H

    Review: ZEN Prime HD

    Tom, I think you have a rare item there. None of my three Nikon catalogues from the 90's, after the E series was multi-coated, lists a 12x40. Your prism cover certainly shows the changes in lettering that came with the multi-coated versions. Are all the reflections from glass surfaces green in...
  2. H

    Review: ZEN Prime HD

    The 12x40 WF was made be by combining a longer focal length 40mm objective with a 10x35 E body and eyepiece The eye relief is consequently pretty short (12.4m). The "blue" coating is garden variety single-layer MgF, no multi-coating involved. A way to achieve an almost FMC 12x40 WF would be to...
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