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

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  1. S

    Sigma 150-600 Lens Alternatives

    add the Canon 200-800 to the list
  2. S

    Canon RF 200-800mm IS USM

    I plan on checking out the 200-800, seems ideal for birds if one doesn't want the size, weight and cost of the 500/600 f4 primes
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