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

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  1. L

    Leica BA-BN phase coating ?

    http://www.zeiss.de/C12568CF00206298/EmbedTitelIntern/CarlZeissMilestones.pdf/$File/Carl+Zeiss+Milestones.pdf Quoted from the above Zeiss document: "1988: P* coating is invented by Zeiss and used on all roof prism binoculars".
  2. L

    Leica BA-BN phase coating ?

    Henry: I stand corrected about the date of invention. Does the brochure say when Zeiss first marketed a phase coated binocular? The date I gave comes from an unreliable source.
  3. L

    Leica BA-BN phase coating ?

    My guess would be no as phase coating was first used by Zeiss (I think they invented it) in about 1990. So I doubt Leica would have had the time to realise that it was something special, figure out how it worked, and finally introduce it to products. I read that Nikon did not figure it out until...
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