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[OM] Re: OM-2S metering ?

Subject: [OM] Re: OM-2S metering ?
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Thu, 22 Apr 2004 08:31:58 -0400
Yes, readings should be the same. 
----------------------------------------------------
John Hermanson  www.zuiko.com
mail:  omtech@xxxxxxxxx
Camtech Photo Services, Inc.
21 South Lane, Huntington NY 11743-4714
          631-424-2121  
------------------------------------------------
----- Original Message ----- 
From: "Daniel Tan" <dan@xxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Thursday, April 22, 2004 7:44 AM
Subject: [OM] Re: OM-2S metering ?


> 
> 
> > "This may only appear like a problem, but really isn't one: in the
> OM-2
> > and later bodies (OM-2N, OM-2S, OM-4) in AUTO/PROGRAM mode there is
> > dual metering.  The light sensors located in the prism are used when
> > the mirror is down and provide only preliminary reading.  The actual
> > reading is done OTF (off-the-film), after one presses the shutter
> > release button and the mirror goes up.  The two readings are often
> > apart, sometimes by up to 2-3 stops, but only the OTF reading really
> > matters.  IOW, expose a roll of film and check out the results.  If
> > they are unsatisfactory, pls let me know."
> 
> This is incorrect. The OM2S/3/4/Ti have a semi-silvered mirror and only
> ONE meter - the one at the bottom of the mirror chamber. The documents I
> have say that it is used for viewfinder metering and OTF metering. 
> The 2/2n have dual meters, one set in the prism chamber and the other
> set in the mirror chamber. The 1/1n have one meter in the prism chamber
> (??).
> 
> Hence, the readings should be identical. The guy is completely wrong.
> 
> 
> Daniel
> 
> 



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