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

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  1. K

    Kowa Prominar TSN-3 : Value/ Info?

    in my old days with tSN-2 and 20x60 old Imonly used the eyepiece at 40x... There it had the best view, going to 20x only made it more towards looking htrough a small hole, tward 60x the picture got bad. I switched to the 30x (nowadays on my NOS TSN-4) and buried the rotten 20x60 in the deepest...
  2. K

    Kowa Prominar TSN-3 : Value/ Info?

    A TSN-3 or 4 is a good deal for up to 400/500 Euro. I had the TSN-1 (non Flourit) new since student days, then a new 773. Then I got a TSN-4 as new old stock, and with the actual 30w ocular it is really fantastic, optically close to my 773 with the the 30x. So I often let the 773 at home and...
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