Archived posting to the Leica Users Group, 1997/03/18

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Subject: Re: Circular/Linear Polarizers
From: "Peter Jon White" <pjwhite@tiac.net>
Date: Tue, 18 Mar 1997 08:36:19 +0000
 
>    The F-1 focusing screen has a beam splitter, which redirects (but doesn't
> polarize) some of the light towards the meter.  When a linear polarizing
> filter is used on the camera, is causes metering problems. A circular
> polarizer illimimates this problem.
> -GH
> 

Greetings,

The beam splitter does indeed polarize the light deflected to the 
meter. That's why a circular polarizer is needed with the F-1. I have 
a linear polarizer. Rotating it in front of the lens throws the meter 
off. The circular polarizer has no effect on the meter.

Peter Jon White