There's also a separate pot for adjusting the spot reading. Possibly out of
whack is the angle of the sub mirror.
_________________________________
John Hermanson www.zuiko.com
Camtech, Olympus Sales & Service since 1977
21 South Lane, Huntington NY 11743-4714
631-424-2121 For Free Olympus manuals,
please call 1-800-221-3000
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----- Original Message -----
From: "danrich" <danrich@xxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Friday, February 14, 2003 2:29 PM
Subject: [OM] RE: olympus-digest V2 #3892
> Stupid question, is that 2/3 of a stop more or less?
> ------------------------------
>
> Date: Thu, 13 Feb 2003 18:30:38 -0800
> From: Moose <olymoose@xxxxxxxxxxxxx>
> Subject: Re: [OM] Spot-metering madness
>
> That can't be right. I don't know how the spot meter is supposed to be
> adjusted, but here either spot or average is clearly out of adjustment
> if the testing methodology is near correct, i.e. lighting is actually
> even. The fact that the error is there with 50mm standard lenses
> indicates it isn't just the 'angle of incoming rays' effect. The average
> error over all those lenses from 14-300mm is 2/3 of a stop. If the the
> metering that is off were adjusted by 2/3 stop, the average error would
> be about zero and only 5 lenses would be out by more than about 1/3
> stop, certainly a better situation than the current one.
>
> Carlos,
> Your comparison is made in such a way that it seems to assume that the
> spot meter is wrong. I don't see where that is necesarily the case, it
> could be either. If you know or can determine through bracketed tests
> with slide film, which one is off, you could, at least in the short run,
> simply adjust the exposure compensation dial by 2/3 stop when switching
> Modes. That would put you close enough that you would be assured of
> acceptable exposures with most of your lenses.
>
> Moose
>
> John Hermanson wrote:
>
> >...get used to it.........
>
>
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