[meteorite-list] Polarizers way cheap! Big ones!

From: STARSANDSCOPES at aol.com <STARSANDSCOPES_at_meteoritecentral.com>
Date: Mon, 8 Dec 2008 19:18:10 EST
Message-ID: <c43.3f67a002.366f1342_at_aol.com>

Hi list, All my images involve polarizers in one way or an other and over
the last couple years I have had many inquiries of where to get polarizers
cheap. I haven't had a solution other than scrounge them at yard sales etc.

I just found an eBay seller that has 82mm PL for $8.50. This is way cheap
for these big ones. I bought a couple and they are quality made in Japan with
total extinction. The eBay # is 170282710765 Normal retail on a polarizer
this size is usually several times this price. They are linier polarizers
and not circular polarizers which is perfect for meteorite Xpol application.

Check out my Micro Vision article in the Jan 2007 Meteorite Times Cross
titled Polarized Light Hand Sample Examination. The link is
http://www.meteorite.com/meteorite-gallery/Micro_Visions.htm This will give you an idea of what
polarizers can do in meteorite examination and you don't necessarily need a
microscope.

With two 82mm filters you could make a thin section viewing set. These are
big enough for a standard microscope slide to fit inside the filter holder.

I'm not selling any thing, I just thought some of you might like to know.

Also, while you are at Meteorite Times, check out this months MV on NWA 3151
Brachinite. It has three killer shots from Bernd Pauli in wide field cross
polarized light.

Tom Phillips

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Received on Mon 08 Dec 2008 07:18:10 PM PST