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

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  1. tenex

    Interview with the new head of Zeiss Sports Optics

    A growing number of short-focal-length astro eyepieces today also have this sort of built-in-Barlow design to provide greater eye relief. It seems now to have become standard practice, at little cost thanks to modern coatings.
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