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Some more radiolarian shells > Pics added_Best Wishes

 
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WalterD



Joined: 06 Jul 2015
Posts: 521
Location: Rotterdam, the Netherlands

PostPosted: Sun Dec 30, 2018 11:13 am    Post subject: Some more radiolarian shells > Pics added_Best Wishes Reply with quote

(What a coincidence Very Happy )

Would like to add some more pics of radiolarian shells, these are 25x and 40x magnification, experimenting with DIC. The black and white image was done with oil immersion and green light, desaturated after.
All active and non active forum members, as well as visitors best wishes for 2019!







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Last edited by WalterD on Mon Jan 14, 2019 10:18 am; edited 2 times in total
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Jacek



Joined: 02 Oct 2011
Posts: 5342
Location: Poland

PostPosted: Sun Dec 30, 2018 12:58 pm    Post subject: Reply with quote

Very nice
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https://photos.app.goo.gl/MV9IynUtBdaKkVj53
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Sumguy01



Joined: 28 Jan 2013
Posts: 1364
Location: Ketchikan Alaska USA

PostPosted: Sun Dec 30, 2018 3:07 pm    Post subject: Reply with quote

Very nice set.
Thanks for sharing.
Have a happy new year Very Happy
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Robert Berdan



Joined: 18 Oct 2017
Posts: 150
Location: Calgary

PostPosted: Mon Dec 31, 2018 4:22 pm    Post subject: Beautiful images Reply with quote

Very nice - Radiolarians are especially beautiful.
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carlos.uruguay



Joined: 23 Feb 2012
Posts: 5249
Location: Uruguay - Montevideo - America del Sur

PostPosted: Wed Jan 02, 2019 7:23 pm    Post subject: Reply with quote

Woooowwwww super nice!!
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KurtM



Joined: 16 Jul 2014
Posts: 78
Location: League City, Texas

PostPosted: Sat Jan 05, 2019 7:29 pm    Post subject: Reply with quote

Lovely imaging of such wonderful subjects, thanks so much for posting. Encore!
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Kurt Maurer
League City, Texas
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WalterD



Joined: 06 Jul 2015
Posts: 521
Location: Rotterdam, the Netherlands

PostPosted: Mon Jan 14, 2019 6:33 am    Post subject: Reply with quote

Thanks for your kind words.

In addition to previous pictures i wanted to try reflected light, my Ultropak setup was used to accomplish this. Because radiolaria are small, I worked with the 42x/0.60 objective.

Different illumination was tested: the original halogen 100 Watt light, a Canon Speedlite and a white high power led with diffusor. The last one, positioned in the original Leitz lamphouse in the position where the halogen lamp used to be, seemed to be the best option. All and all reflected light on radiolarian shells gives a better insight in the 3-dimensional structure of these silica frames. It also shows different details compared with transmitted light I used previous sessions.






Thanks for looking!
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1432
Location: Phoenix, Arizona

PostPosted: Mon Jan 14, 2019 7:45 am    Post subject: Reply with quote

Very nice.
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