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

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  1. R

    Swarovski TLS APO 23 DSLR Adapter

    Has anybody compared this to the Digidapter? (http://www.digiscopeadapter.com/) Also are there any comparison regarding the f/stop between TLS APO 23 and the TLS APO 30?
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