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

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  1. tenex

    A few quick thoughts, 7X35 vs. 8X32

    Your taste for simple "obvious" answers is well known, but it seems doubtful that Leica would simply have stinted on glass choices for Noctivid. An optical instrument with typically 9 or 10 elements (including an internal focuser which can aggravate CA) is quite complex, and CA is only one of...
  2. tenex

    A few quick thoughts, 7X35 vs. 8X32

    Actually it's widely accepted that Leica has been using ED glass for the last 20 years or more, so we must be dealing here with a different choice of priorities in overall optical design rather than mere glass quality. It does seem a bit curious though given how Zeiss marketing in particular...
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