Archived posting to the Leica Users Group, 1997/07/08

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Subject: Re: shooting rainbows
From: c.blaue@bmsg.de
Date: Tue, 08 Jul 97 17:28:58 +0200
 
     > Using a polarizing filter is definatly the key. I've gotten great
     > results with them. Also rating your slide film slightly faster than
     > manfg. specs.  helps to 'gutz' or underexpose your images. Also try
     > Kodachrome.

I always thought that a polarizing filter works best at 90 degrees to the sun,
while a rainbow has always the sun in the back. Is it the reflections of the
water that polarizes the reflected light or is it some other phenomenon that
improves rainbow pictures by using a pola?

christoph