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

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  1. B

    Star Testing

    Why is SA so hard to correct in spotting scopes, or in other words; why does Swarovski do so well with ATX- models in that respect? Good correction of SA has been well known fact for the ATX- models. As these pictures above regarding this sample, all ATX95 samples (total of 7) I have star...