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

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  1. H

    Double Doublers

    For fun I tried a thing like this by simply placing a pair of 2.3X Russian opera glasses behind the eyepieces of my EL's and some other bins. It did work, producing a very narrow field (10 degrees AFOV) but well enough collimated image of about 20X in the EL. Collimation will probably be a...
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