Andrea B. Posted March 9, 2014 Share Posted March 9, 2014 Blum, A.G. (2013) Dahlia x hybrida Cavanilles (Asteraceae) Garden Dahlia. Flowers photographed in ultraviolet and visible light. http://www.ultraviol...-garden-dahlia/ Kinfolk Lane, Southwest Harbor, Maine, USA11 July 2012Cultivar in home garden Comment:The bicolouration of this hybrid Dahlia carries over to the UV photograph. Reference:1. The American Dahlia Society (2014) Equipment [Nikon D300-broadband + Carl Zeiss 60mm f/4.0 UV-Planar] Click the photo to view at largest size. If you see a + symbol after first click, then click again. Visible Light [f/8 for 1.6" @ ISO 200 in Sunlight with Baader UVIR-Block Filter] Ultraviolet Light [f/8 for 1/60" @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter] Ultraviolet Light [f/8 for 1/60" @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter]The pollen is UV absorbing. (This photo does not enlarge if clicked.) UV-Induced Visible Fluorescence [f/8 for 3" @ ISO 500. Nichia 365 UV-Led + Baader-UV-Pass Filter. Lens + Baader UVIR-Block Filter. Photographed in Darkness.]Note: This photo has not been formally colour-calibrated, so the colours of the Fluorescence may not be entirely accurate.A little wonderland of delightful fluorescence induced by a UV torch. Ultraviolet Light [f/8 for 1/60" @ ISO 500 with SB-14 UV-modified Flash and Baader UV-Pass Filter]The conical cells are evident on the petal surface. Link to comment
Andrea B. Posted March 20, 2014 Author Share Posted March 20, 2014 Thank you.There can be such nice surprises and amazing details. Link to comment
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