Andrea B. Posted January 23, 2015 Share Posted January 23, 2015 Blum, A. (2015) Streptanthus carinatus C. Wright ex A. Gray (Brassicaceae) Lyreleaf Jewelflower. Flowers photographed in ultraviolet and visible light. http://www.ultraviol...af-jewelflower/ Tucson, Arizona 11 March 2012 Wildflower Synonyms: Lyreleaf Twistflower Reference: 1. Flora of North America Online (2015) Streptanthus carinatus, vol. 07, pp. 708. FNA, New York & Oxford. http://www.ultraviol...af-jewelflower/ Equipment [Nikon D300-broadband + Carl Zeiss 60mm f/4.0 UV-Planar] Visible Light [f/11 for 1/250" @ ISO-300 with onboard Flash and Baader UVIR-Block Filter] Visible Light [f/11 for 1/250" @ ISO-300 with onboard Flash and Baader UVIR-Block Filter] Ultraviolet Light [f/11 for 1/250" @ ISO-300 with SB-14 UV-modified Flash and Baader UV-Pass Filter] Ultraviolet Light [f/11 for 1/250" @ ISO-300 with SB-14 UV-modified Flash and Baader UV-Pass Filter] Link to comment
DaveO Posted January 24, 2015 Share Posted January 24, 2015 I'm fascinated by the UV-blue colour that appears on the outside of your flowers, I sometimes see a similar effect http://www.ultravioletphotography.com/content/index.php/topic/1167-eremophila-flaccida-subsp-attenuata/ One of these days we will have that elusive EUREKA! moment and it will all fall into place. Dave Link to comment
msubees Posted February 1, 2015 Share Posted February 1, 2015 Is it possible to create a UV-wavelength and uv-false color standardard, so we can say, when we see bluish false color in a uv shot, that it is 3xx nm? that would be nice and this can be one advantage than using film or greyscale.... Zach Link to comment
Andrea B. Posted February 1, 2015 Author Share Posted February 1, 2015 Zach, we have long discussions about that! Most recently there was such a discussion in this thread about the UV response of the Panasonic Lumix G3. So if you go there you can read more. In that thread I tried to list the variables involved in producing UV false colour. The problems involved in making a UV-Wavelength to UV-False-Color correlation are discussed. http://www.ultravioletphotography.com/content/index.php/topic/1184-what-is-the-real-response-of-panasonic-lumix-g3/ Link to comment
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