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

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  1. S

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

    As someone who's also pondering the choice I put my R7 with the 100-400 on the scales which came in at 1280gms. I nearly always have the 1.4 teleconverter on which takes it up to 1505. The 100-500 would make it 2160 but while the quality would be better the reach would be less so if I add the...
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