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UltravioletPhotography

Dahlia x hybrida [Garden Dahlia]


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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, 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]

dahliaGardenVisFlash_071112swhME_proof.jpg

 

Ultraviolet Light [f/8 for 1/60" @ ISO 400 with SB-14 UV-modified Flash and Baader UV-Pass Filter]

  dahliaGardenUVBaadSB14_071112swhME_27415proof.jpg

 

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.)

  dahliaGardenUVBaadSB14_071112swhME_27506origProofPnCrop.jpg

 

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.

  dahliaGarden365UVLedUVIVisFluor_071112swhME_27476proof.jpg

 

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.

  dahliaGardenUVBaadSB14_071112swhME_27455origProofPn.jpg

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  • 2 weeks later...

Thank you.

There can be such nice surprises and amazing details.

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