----- Original Message -----
From: "Garth Wood" <garth@xxxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Saturday, 28 December, 2002 12:10 PM
Subject: Re: [OM] OM2n & light meter problem?
> At 11:20 AM 12/27/2002 -0800, Tal Lancaster wrote:
>
> >I was shooting with my OM2n in rather sunny conditions. I kept noticing
> >that my meter would drop a couple of stops the closer I brought my eye
> >into the eyepiece. It was acting like the light was reflecting off my
> >face back into the eyepiece and effecting the meter readings.
> >
> >Is the normal behavior?
> >
> >Is this the reason people use eyepiece cups?
>
>
> One of the reasons, yes. This phenomenon is not unique to the OM-1 and
its
> variants -- all older TTL metering SLRs did this. I've experienced the
> same problem with the Canon Ftb, older Nikons, older Pentaxes (Spotmatic
> comes to mind), etc. Newer SLRs do not read all the light coming off of
> the primary mirror, but use a secondary mirror (or some other arrangement)
> to ensure that the only light getting to the meter is the light coming
> through the front objective, instead of every opening in the system.
>
> Garth
Whereabouts in the run of OM models did the "light getting in the eye piece"
problem get laid to rest so that only the light entering the lens affected
the TTL metering system.
Just curious.
John Hudson
>
>
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