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

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  1. J

    Does anybody sell tested scopes?

    Hi, yes, one might get a cherry from a merchant due to being pals, being a good customer with lots of business or just asking nicely. As for the importer just chucking the poor ones, that might work with some very cheap chinese (or soviet back in the days) optics. Nowadays I don't think so...
  2. J

    Does anybody sell tested scopes?

    Hi, there are two problems with that... - the star test is a very delicate qualitative test - not quantitative... for that, you would need an interferometer plus the necessary software. - any seller doing this would soon cease to be a seller due to lack of supply from the manufacturer... Joachim
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