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Re: [OM] OM-4 Meter Reading

Subject: Re: [OM] OM-4 Meter Reading
From: "Tom Curlee" <t_curlee@xxxxxxxxxxx>
Date: Mon, 24 May 1999 20:04:07 PDT

From: "John Hermanson" <omtech@xxxxxxxxx>


There is something wrong, probably a dry asa dial circuit board.  A
temporary fix would be to twist the comp dial back & forth between  +-2.
This might  clean  the circuit by rubbing the brushes acrss the resistive
element.

John
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John:

I have a OM-2S with the same problem. The insidious thing about this problem is that it will creep up on you. For example, sometimes it seems to read only half or one stop high (therefore underexposing by that amount). Unless you are aware of the problem you assume that the light changed a little even though the rule of 16 tells you otherwise. After all, the meter must be correct!

The camera has been through a full CLA within the last year. Any suggestions on how to cure (at least temporarily) the problem, i.e. relube the resistor card, etc.

Tom



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