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Re: [OM] Losing spot metering (was: Lens hood allowance for filters)

Subject: Re: [OM] Losing spot metering (was: Lens hood allowance for filters)
From: Chris Barker <imagopus@xxxxxxxxxxxxxxxx>
Date: Thu, 2 May 2002 06:13:17 +0100
Cc: Joel Wilcox <jowilcox@xxxxxxxxxxxxxxxxxxx>
I used a linear polariser with OM2SP and OM4 for about 6 years before
someone told me that it did not work...



Chris

At 18:53 -0500 1/5/02, Joel Wilcox wrote:
At 01:41 PM 5/1/2002 -0600, you wrote:
I could use a linear polarizer with a wide angle lens and a hood
to avoid any vignetting.  However, then I wouldn't be able to use
spot metering.  Before I start spending money, I'd like to hear
comments on that option.  I generally use my 28mm lens to
photograph buildings and other outdoor city scenes.  How
limiting would the elimination of spot metering be for city photos?

I shoot with a PL almost exclusively with center weighted averaging
meter in auto mode.  The PL seems to level differences enough that
it almost always come out right on, and then I always bracket.  I
have a thin PL-Circ which was expensive ($40-50) but worth it to me.

If I only had a PL-Linear and were going to the trouble of spot
metering, I would use the linear polarizer by applying a filter
factor -- usually about 1.5 stops IIRC.  Meter away, determine
exposure, open up 1.5 stops one way or another, then screw in your
PL-L and shoot.

A Worthy Experiment might be setting exposure comp dial to +1.5,
spot meter, and then screw in PL-L.  I think that should work (but
have never tried it).

Joel W.

--
<|_:-)_|>

C M I Barker
Cambridgeshire, Great Britain.
?
+44 (0)7092 251126
mailto:imagopus@xxxxxxxxxxxxxxxx
mailto:zuiko@xxxxxxx
http://www.threeshoes.co.uk
... a nascent photo library.

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