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

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  1. RJM

    equipment advice

    I use the D90 with Sigma 150-500 + Sigma TC 1.4x DG and am quite pleased. Search the Nikon forum for my thread on using this kit. Just understand even a 500-700mm focal length is not that much for most large birds beyond 40-50m unless you are photographing big game. Small birds demands you be...
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