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[OM] Re: OM4Ti meter Vs OM1 meter

Subject: [OM] Re: OM4Ti meter Vs OM1 meter
From: yves barbaroux <ybarbaroux@xxxxxxx>
Date: Sat, 8 May 2004 09:49:25 +0200

Le 8 mai 04, à 06:44, Matt Boland a écrit :

>
> Hi all,
>
>         this is my first posting to this list, so I'll say hello.
>
> "hello". I have an OM1n, a 24/F2.8 (one word - gem), a 28/F2.0 (one 
> word
> - gem), 50/F1.8, a 135/F3.5, and a, 85-250/F5.
>
>
> I have an OM4Ti for trial for 7 days and the metering is up to a stop
> and a half over what my trusty and ever faithful OM1 meter says. To be
> truthful, I have been comparing them indoors under artificial lighting.
> It has been raining here in Australia (at least where I live) so I
> cannot do the sunny 16 test.
>
> I have shot some Fuji Sensia 100 and 400, and it seems like there is
> underexposure, though not by a stop and a half.
>
> Since I think the meters are different (is the OM-1 selenium and the
> OM4Ti CdS ? - please correct me if I'm wrong ) maybe they are not
> responding the same under artificial light? Although I remember testing
> another OM4Ti (which ended up going back because the low voltage 
> sensing
> circuitry seemed to lock the mirror up and shut the whole thing down at
> least once per roll) and the OM1, and they were identical.
>
OM1 uses a Cds cell ,it's the OM2 whose  cells are selenium.

yves

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