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

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  1. gergrd

    Canon or Sigma lens ?

    I have both the Canon 100 /2.8 IS and the Sigma 150 /2.8 OS. For good measure, I also have the Canon 180 /3.5 (non IS). Of the three, I use the Canon 180 most often - the extra working distance helps me, and I think it is the right tool for larger insects (dragonflies and butterflies). I wish...