Archived posting to the Leica Users Group, 1998/01/12

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Subject: Re: [Leica] Polarizing Filter w/M6 -Reply
From: Jim Brick <jim@brick.org>
Date: Mon, 12 Jan 1998 23:30:02 -0800

At 12:41 AM 1/13/98 -0500, you wrote:
>At 08:27 PM 1/12/98 -0800, Jim Brick wrote:
>>For Leicas, it's the fact that a portion of the incoming light is directed
>>through a partially silvered mirror (the SLR mirror), for exposure
>>determination. The partially silvered mirror (beam splitter) acts as a
>>polarizer and will give incorrect exposure readings with a linear polarizer.
>

>Uh, Jim, look to the subject line.  We're speaking of M6's here, not R's.
>
>Marc
>
- --------------------------------------------
<<<<<I was told by someone ( I really forget who ) that a circular
polarizer was
>designed to work with the new  ( 10 yrs.-? ) autofocus lenses and had
>nothing to do with the metering system. Further, that a linear polarizer
>would work just fine on the new lenses but that you might have a focusing
>problem and should probably use them in manual focus mode if using a linear
>polarizer.
>
>Cheers,
>David Medley
>Whidbey Is.   WA>>>>>

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Uh Marc,

I was answering Mr. Medley's statement about autofocus lenses and metering
systems...

Jim
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