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Radiolaria shells fluorescence

 
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Pau
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Joined: 20 Jan 2010
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Location: Valencia, Spain

PostPosted: Thu Nov 23, 2017 11:26 am    Post subject: Radiolaria shells fluorescence Reply with quote

Playing with some antique slides I've found that some microfossils do fluoresce under UV.
They are Policistina shells from Barbados in a dry glass covered mount

UV 365nm LED; AT350/50x (EX) // T400lp (BS) // ET425lp (EM) filter set; Pl Fluotar 10/0.30

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carlos.uruguay



Joined: 23 Feb 2012
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Location: Uruguay - Montevideo - America del Sur

PostPosted: Thu Nov 23, 2017 6:50 pm    Post subject: Reply with quote

Nice!!
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Jacek



Joined: 02 Oct 2011
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PostPosted: Fri Nov 24, 2017 3:01 pm    Post subject: Reply with quote

Nice
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Ken Ramos



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PostPosted: Fri Nov 24, 2017 3:50 pm    Post subject: Reply with quote

From a scientific view point, it has to be in the DNA for such intricate and beautiful structure to be formed. Super! Very Happy
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Lou Jost



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PostPosted: Fri Nov 24, 2017 6:13 pm    Post subject: Reply with quote

How did you get the fluorescence and the natural colors to both come out perfectly exposed?
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Last edited by Lou Jost on Fri Nov 24, 2017 8:48 pm; edited 1 time in total
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Sumguy01



Joined: 28 Jan 2013
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PostPosted: Fri Nov 24, 2017 8:37 pm    Post subject: Reply with quote

Very nice.
Thanks for sharing.
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Pau
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Joined: 20 Jan 2010
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Location: Valencia, Spain

PostPosted: Sat Nov 25, 2017 2:15 am    Post subject: Reply with quote

Thanks all Very Happy
Lou Jost wrote:
How did you get the fluorescence and the natural colors to both come out perfectly exposed?

There isn't any other kind of illumination, the natural colors also come from fluorescence, both of the specimens themselves or reflected from their more fluorescent neighbors. What I've done is to stack 16bit TIFFs from RAW with extended dynamic range (Pmax UDR) and later playing with levels in PS, maybe a bit overdone as it looks somewhat flat.
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Lou Jost



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PostPosted: Sat Nov 25, 2017 5:16 am    Post subject: Reply with quote

Wow! Very nice.
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