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Kinfolk Lane, Southwest Harbor, Maine, USA
11 July 2012
Cultivar 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.
