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

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  1. nickdavis

    Sigma 300mm Prime Lens

    i know this is probably not much help, but if possible see if you can stretch to the sigma 500 4.5. I recently did and its just incredible, find it allot quicker, sharper and better contrast at 500mm than a mates 300 2.8 with a 1.4 or 2x converter. Plus i've also got the opportunity to add a 2x...
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