[click on image to see a larger one]
Visible light image:
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UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
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Simulated bee vision image using experimental XBV filter:
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Common Daisy has a bulls-eye UV pattern, its center is UV dark, and the petals are UV reflective aroudn 380nm. This older quartz fluorite lens is reproducing this quite well and all that gets nicely visible.
Stay tuned, more will follow on that fascinating subject...