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

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  1. Keith Reeder

    Taking the plunge - Superzoom to DSLR

    No need to apologise, Max. Just show me some proof..! ;) Graham, I own a Sigma 135-400mm, Sigma 80-400mm OS and the Canon 100-400mm IS. Without any doubt, if I was in the market for a lens in the 400mm range right now, and based on the rather substantial amount of research and effort I...
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