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
13721164174_d1456e277b_b_d.jpg
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UV
13721162854_c7892ac5f2_b_d.jpg
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UV+blue
13720805943_0c3890d4e8_b_d.jpg
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UV+blue/green
13721158914_8d07420cd2_b_d.jpg
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UV-induced visible fluorescence (UVIVF)
13720780205_558a55ba86_b_d.jpg
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Lesser celandine
Visible
13720786725_0a6d43167c_b_d.jpg
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UV
13720819593_1e76493df9_b_d.jpg
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UV+blue
13720791065_5afd28f3b2_b_d.jpg
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UV+blue/green
13721179034_d4d8bca09b_b_d.jpg
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UVIVF (CWB)
13720813333_26c3692307_b_d.jpg
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UVIVF (AWB)
13720784885_cdb45541fd_b_d.jpg
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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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