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bidens ferulifolia

  1. Dr Klaus Schmitt

    Bidens VIS-UV live

    Amazing that dark "bullseye" UV-pattern bees and butterflies can see as a landing platform, but we humans cannot... There have been scientific experiments done (Prof. em. Klaus Lunau, Düsseldorf, Germany) which prove that bees land on a flower petal and then always crawl to find the UV-dark...
  2. Dr Klaus Schmitt

    Bidens ferulifolia (Apache baggarticks) multispectral

    Bidens ferulifolia in human vision, reflected UV, simulated bee and butterfly vision (left to right, top to bottom)
  3. Dr Klaus Schmitt

    Colorful Ultraviolet

    Well, UV has no "color" by definition of the ICC (Internat. Color Committee) as we human cannot see it. So scientifically only bw images were usually done. Then, for my first production with BBC London about what bees see, I was told by the DP: "don't bug me with boring bw images Klaus, I want...
  4. Dr Klaus Schmitt

    Bidens ferulifolia multispectral and "colorful" UV

    This above is my "standard", now here using an alternative "colorful" UV filter (bottom left)...