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Re: [OM] Sunglasses, Polarizers and Photography

Subject: Re: [OM] Sunglasses, Polarizers and Photography
From: Lars Bergquist <timberwolf@xxxxxxxxxx>
Date: Sun, 21 Jun 1998 07:59:51 +0000
>I don't know much about using polarizers with SLRs, but light will be
>polarized when reflected off a first surface mirror (like on the way to
>the pentaprism!).  What you see in the viewfinder may not be what the film
>will experience.  Has anyone studied this?
>
>Jim W

This is not correct. A reflecting material polarizes only if the light can
penetrate some distance into it. Go look at a newly washed car with
a pola filter. It darkens the reflections in the paint but not in the chromed
parts. A metal surface does not polarize, and mirrors are metal surfaces.

Vänliga hälsningar/Best regards
Lars Bergquist
Välkommen till/Welcome to ...
<http://www.bahnhof.se/~timberwolf/>



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