Radiolaria shells fluorescence

Pau · Post by **Pau** » Thu Nov 23, 2017 11:26 am

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

carlos.uruguay · Post by **carlos.uruguay** » Thu Nov 23, 2017 6:50 pm

Nice!!

Jacek · Post by **Jacek** » Fri Nov 24, 2017 3:01 pm

Ken Ramos · Post by **Ken Ramos** » Fri Nov 24, 2017 3:50 pm

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

Lou Jost · Post by **Lou Jost** » Fri Nov 24, 2017 6:13 pm

How did you get the fluorescence and the natural colors to both come out perfectly exposed?

Sumguy01 · Post by **Sumguy01** » Fri Nov 24, 2017 8:37 pm

Very nice.
Thanks for sharing.

Pau · Post by **Pau** » Sat Nov 25, 2017 2:15 am

Thanks all

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.

Lou Jost · Post by **Lou Jost** » Sat Nov 25, 2017 5:16 am

Wow! Very nice.