Archived posting to the Leica Users Group, 1999/02/17

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Subject: RE: [Leica] Re: M3s and polarizing filters
From: "Kotsinadelis, Peter (Peter)" <peterk@lucent.com>
Date: Wed, 17 Feb 1999 15:27:04 -0800

Hi Jim,

I could be wrong, but I believe the numbering is found on what are called
Kassemann polarizers.  Standard polarisers do no have the numbers on the
ring.  Kasseman are particularly useful for adjusting the degree of
polarization for Rangefinders and TLRs, since you can't see through the
taking lens to judge the degree of polarization.  I have one I use on my
Rollei TLR.  Marvelous filter for a marvelous camera.

Peter K

- -----Original Message-----
From: Jim Brick [mailto:jimbrick@photoaccess.com]
Sent: Wednesday, February 17, 1999 2:59 PM
To: leica-users@mejac.palo-alto.ca.us
Subject: [Leica] Re: M3s and polarizing filters 


Heliopan polarizing filters have numbers around the filter rim. Look
through the filter and turn it for the desired effect. Note the number on
top. Screw it on to your lens and turn it until that number is on top. I
have two of each size polarizing filters. One on the camera, the other in
my vest pocket. I look through the second filter to get the desired effect,
noting the number. I then set the filter that is on my lens to this number.

Jim


At 02:50 PM 2/17/99 -0800, you wrote:
>Unlike an SLR where wysiwyg rules with polarizing filters, how does one
>visually calibrate the varying effects of a polarizing filter with a
>non-SLR camera?
>
>jh