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

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  1. tenex

    NL Pure Image Flatness - Good or Bad?

    I suppose it's possible that a slower (more gradual) focuser doesn't require such tight tolerances, and not having to maintain performance at <3m might even relax some optical tolerances. And it wasn't just focus range; the entire internal construction was simplified (as photos here have shown)...
  2. tenex

    NL Pure Image Flatness - Good or Bad?

    So if you really want 12x and NL doesn't work for you, the obvious choices are EL or UV 12x50, and from your experience with UV 10x32 and EL 8.5x42 (both optics and handling) you might be able to guess which you'd like better. Otherwise, regardless of general rights, I wonder whether that...
  3. tenex

    NL Pure Image Flatness - Good or Bad?

    We're playing some kind of guessing game here. Why did you buy NL 12x instead of 10? If you really want 12x, that's a different set of choices (EL or UV). If 10x is good, you might like a pre-owned/refurbished EL 10x42, or even SLC. Too many options there! But if you really think you've...
  4. tenex

    NL Pure Image Flatness - Good or Bad?

    I have the impression that this was done not in order to make NL look better, but by setting a clearly different price point to keep EL 42 on the market at all rather than discontinuing it (as sadly happened with the 32 for some reason). Swaro had been in the position before of having SLC HD...
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