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

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  1. Farnboro John

    Ivory-billed Woodpecker: Debunking the Critics

    Watching birds using different areas of their flight envelope. Even a fixed gliding wing performs differently at different angles of incidence. A variable-geometry, variable airfoil section flapping wing has an enormous range of performance which allows everything from vertical take-off from...
  2. Farnboro John

    Ivory-billed Woodpecker: Debunking the Critics

    If the guy was really smart he'd have the camera on a helmet so it points where he looks. Trying to point a camera on a round-shafted paddle held by two widely spaced wet hands (I used to be a canoeist) is lunacy. Its a rubbish set-up. John
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