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 Post subject: Leitz Orthoplan DIC
PostPosted: Mon Nov 26, 2018 4:20 pm 
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Joined: Mon Nov 12, 2018 4:04 pm
Posts: 27
Location: Oregon, USA
Can anyone shed light on the various versions of DIC Leitz produced for the Orthoplan? My condenser and DIC objectives are marked "Interf.-Kontrast S," with "146" in a second line on the condenser. I think there also are "R" and "T" versions. Does the alphabetical progression reflect progressive improvements? If so, how do the different versions compare? Any special tricks for getting the best out of my "S" version?

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gastrotrichman

Nikon Microphot
Leitz Orthoplan
Wild M8
Bausch & Lomb MicroZoom


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 Post subject: Re: Leitz Orthoplan DIC
PostPosted: Tue Dec 11, 2018 6:24 pm 
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Joined: Mon Nov 12, 2018 4:04 pm
Posts: 27
Location: Oregon, USA
Tentative answers to my own questions. "S" apparently denotes "Smith," who was a pioneer in the development of interference contrast. "T" denotes "transmitted" light interference contrast. "R" denotes incident or "reflected" light interference contrast.


Andre, Mike. 2006. Leitz Orthoplan Universal Largefield Research Microscope. A brief illustrated history. 8 pp. www.microscopy-uk.org.uk/mag/artmay06/ma-orthoplan.html

Patzelt, Walter J. 1985. Polarized Light Microscopy. Principles, instruments, applications. 3rd edition. Ernst Leitz Wetzlar Gmbh. 103 pp. earth2geologists.net/Microscopes/documents/Leitz_PolarizedLightMicroscopy.pdf

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gastrotrichman

Nikon Microphot
Leitz Orthoplan
Wild M8
Bausch & Lomb MicroZoom


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