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Marek Mis
Joined: 10 Jul 2010 Posts: 441 Location: Suwalki, Poland
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Posted: Sat Apr 14, 2012 7:16 am Post subject: Arcella (in profil) |
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Polarized light with retarders
Lumipan - CZJ microscope
40 X Olympus Splanachromat
2,5 X NFK
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Mitch640
Joined: 15 Aug 2010 Posts: 2137
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Posted: Wed Apr 18, 2012 1:53 pm Post subject: |
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| Beautiful. I only see arcella once a year here. |
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Marek Mis
Joined: 10 Jul 2010 Posts: 441 Location: Suwalki, Poland
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Posted: Thu Apr 19, 2012 10:56 pm Post subject: |
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Thank you Mitch.
Marek |
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Ecki

Joined: 13 Aug 2008 Posts: 367 Location: Berlin, Germany
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discomorphella
Joined: 01 Oct 2006 Posts: 289 Location: NW USA
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Posted: Mon Apr 23, 2012 1:18 pm Post subject: |
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Hi Marek--
Really nice polarization image. You can see the portions of the test that are oriented at 0 and 90 degrees to your retarder axis. We both found an Arcella willing to pose for a side view picture.
David |
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Marek Mis
Joined: 10 Jul 2010 Posts: 441 Location: Suwalki, Poland
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Posted: Mon Apr 23, 2012 8:57 pm Post subject: |
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Eckhard, thank you very much. I think it can be A. gibbosa, too.
David, thank you. I saw your Arcella in your post - it is beautiful. DIC three-dimensional picture better presents its body and shell. Besides, my 40 X objective unfortunately doesn't create so sharp images I would expected.
Marek |
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