#1. "RE: circular polarizer" | In response to Reply # 0myfotoguy Registered since 03rd Dec 2008Mon 05-Dec-11 06:55 PM
See if these help you:
The first is more specific to what you asked, the second you might find interesting too.
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#2. "RE: circular polarizer" | In response to Reply # 0J_Harris Nikonian since 29th Mar 2011Mon 05-Dec-11 06:59 PM | edited Mon 05-Dec-11 07:26 PM by J_Harris
I had the same question as you when I bought my first polarizer.
Another link about polarizers that is short, informative, and easy to understand is below.
P.S. Bill, this thread may get moved by a moderator to the "Filters & Lens Accessories" board.
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