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

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  1. Mark Etheridge

    New Sigma 150/600

    I traded in a Nikon 80-400 zoom to get this lens, and the improvement in both reach and quality continues to impress. I have a Kenco 1.4X converter which I used with the 80-400, and thought I would try it out on the Siggy. Today I found an obliging Spotted Flycatcher which enabled me to take...
  2. Mark Etheridge

    New Sigma 150/600

    I bought this lens on the evidence of this thread and Brad Hill's recommendations, took it out to Spain with me this weekend and was very happy with almost the first shot I took with it - camera is a D7100, hand held. The shot has been cropped by about half, and resized but no other processing...
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