Archived posting to the Leica Users Group, 1998/03/21

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Subject: Re: [Leica] use of circular polarizer
From: Jim Brick <jim@brick.org>
Date: Sat, 21 Mar 1998 21:05:00 -0800
 
The 1/4 wave retarder in the circular polarizer nullifies some of the
polarization effect. I've found that Velvia and a circular polarizer is
about as much as I can handle. A linear polarizer sometimes, with Velvia,
is too much. Black skys.

Jim


At 10:06 PM 3/22/98 -0600, you wrote:
>viewing at the correct angle of the sun as Tina mentions.  Take off the
>linear polarizer, replace it with a circular polarizer, and rotate it at
>exactly the same subject, and the extent of the difference in polarization
>seems to be less noticeable.  I have noticed this effect as well and
>wondered about it.
>
>-GH
>