Andrea B. Posted August 11, 2016 Share Posted August 11, 2016 Blum, A.G. (2016) Saponaria officinalis L. (Caryophyllaceae) Soapwort. Flowers photographed in ultraviolet, visible and infrared light. https://www.ultravio...nalis-soapwort/ Shore Cottage, Southwest Harbor, Maine, USA01 August 2016Wildflower Synonyms:Common SoapwortLychnis saponaria JessenComment:The poisonous saponin produces a sudsy foam in water.The Soapwort flower is UV-absorbing but has bright iridescent shine. Reference:1. New England Wild Flower Society (2016) Saponaria officinalis. Common Soapwort. https://gobotany.new...ia/officinalis/ Equipment [Nikon D600-broadband + Nikon 105mm f/4.5 UV-Nikkor] Visible Light [f/11 for 1/125" @ ISO-100 with Onboard Flash and Baader UVIR-Block Filter] Ultraviolet Light [f/8 for 1" @ ISO-200 with SB-14 UV-modified Flash and BaaderU UV-Pass Filter] IridescenceCompare the next two photos to see the difference in iridescence produced by holding the UV-flash at different angles to the front of the flower. Ultraviolet Light [f/8 for 1" @ ISO-100 with SB-14 UV-modified Flash and BaaderU UV-Pass Filter] Ultraviolet Light [f/8 for 1/6" @ ISO-800 with SB-14 UV-modified Flash and BaaderU UV-Pass Filter] Infrared Light [f/11 for 1/200" @ ISO-100 with Onboard Flash and B+W 093 IR-Pass Filter] Abaxial ViewVisible Light [f/11 for 1/200" @ ISO-100 with Onboard Flash and Baader UVIR-Block Filter] Ultraviolet Light [f/11 for 1/13" @ ISO-200 with SB-14 UV-modified Flash and BaaderU UV-Pass Filter] Link to comment
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