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

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  1. Gashead

    Have 7d, but so confused over lens...help?

    I'm probably upgrading from 100-400 to a 400 prime. My 100-400 has been in for repair 3 times in ten years and now needs to go for a fourth time, every time it's the same problem with a collar or screw falling loose inside the barrel. Hopefully a 400 prime has less tendency to do this plus its...
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