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

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  1. Bird_Bill

    Furthest distance birds that can be identified?

    Made a post above about seeing trumpeter swans at over 2 miles with naked eyes. Checking with google earth,was 2.06 miles.Knew where birds were,knew app. when they were coming off the ground.Knew where they were going. Being able to "pre-set" means everything.With Trumpeters its no problem to...
  2. Bird_Bill

    Furthest distance birds that can be identified?

    Picked up 3 trumpeter swans over 2 miles out with naked eye yesterday at just before sundown.Not uncommon to use 7x - 26mm bins to do same at about 4 miles.Same for being able to discern mature vs. juv. bald eagle.Atmospheric conditions play a large part.This morning with visabilty limited to...
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