• Please use real names.

    Greetings to all who have registered to OPF and those guests taking a look around. Please use real names. Registrations with fictitious names will not be processed. REAL NAMES ONLY will be processed

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    We are a courteous and supportive community. No need to hide behind an alia. If you have a genuine need for privacy/secrecy then let me know!
  • Welcome to the new site. Here's a thread about the update where you can post your feedback, ask questions or spot those nasty bugs!

marsh marigold

Dr Klaus Schmitt

Well-known member
Quadriptych human vision, UV, sim. butterfly vision, sim. bee vision (left to right, top to bottom)

163054313.RivFmtCo.Calthapalustris2016VISUVBV4a_c.jpg

shot using an UV-Nikkor 105mm at f8.
 
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