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

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  1. Fowl Mouth

    I've got a Canon R7 and need to update my lenses

    Completely valid. And I understand your concern for aperture in lower light. That's one of the two reasons I abandoned these zoom lenses from my recent search. So as not to insult those who prefer them (100-400 II, 100-500, 200-800) I want to go on record saying I love all three, and the...
  2. Fowl Mouth

    I've got a Canon R7 and need to update my lenses

    More of a theoretical answer here since I have no experience with these two lenses. FWIW I was looking at both recently, but decided on on older big prime instead, although optically there isn't much between any of them regarding sharpness in the real world. As far as I can tell the 100-500 at...
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