Ranunculus - various lighting

tbyork2012

Mu-43 Veteran
Joined
Nov 14, 2012
Messages
213
Location
Oxford, UK
Hi,
I thought I would share images of two Ranunculus spp I shot today - the meadow buttercup and the lesser celandine.

Meadow buttercup
Visible
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UV
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UV+blue
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UV+blue/green
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UV-induced visible fluorescence (UVIVF)
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Lesser celandine
Visible
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UV
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UV+blue
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UV+blue/green
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UVIVF (CWB)
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UVIVF (AWB)
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Boon
 

kds315

Mu-43 Regular
Joined
Apr 6, 2010
Messages
155
Location
Weinheim, Germany
Real Name
Dr Klaus Schmitt
Nice ones Boon! The UV+blue is actually UV+blue+green and the UV+blue+green rather UV+blue+green+red from what I can see (?)
 

tbyork2012

Mu-43 Veteran
Joined
Nov 14, 2012
Messages
213
Location
Oxford, UK
Cool, what kind of UV equipment do you have?
I'm using a full spectrum OM-D and the Coastal Optics 60mm f4 lens. These are shot with different filters, using a Xenon flash as the UV-rich light source. For the fluorescence images, I used 2 x 365nm Nichia-chip torches as light source as there is no/minimal visible light leak from these torches i.e. The light recorded is all fluorescence.
 

tbyork2012

Mu-43 Veteran
Joined
Nov 14, 2012
Messages
213
Location
Oxford, UK
Thanks Klaus. Yes the UV+blue should include that it also has a tiny amount of green. But the UV+blue/green does not let any red or IR through, but has definitely more blue and some green (compared to the first stack).
 

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