I've not come across any problem at all with the C*n*n 1D MkII and that
includes using a couple of lenses with the Vivitar 2x macro convertor.
-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
Of C.H.Ling
Sent: 18 September 2004 03:11
To: olympus@xxxxxxxxxx
Subject: [OM] Re: Digital Dilemma
Yes, the E-1 exposure accuracy did change with OM lenses when stopped down
at different apertures. But this problem is MUCH more serious in the 10D,
don't know about 300D.
C.H.Ling
----- Original Message -----
From: "Wayne S" <om4t@xxxxxxxx>
> At 06:16 PM 9/17/2004, Moose wrote:
> >>With the E-1 and OM lenses, exposure varies with aperture,
> >>the more you stop it down the more under-exposed it becomes.
> >
> >Is that true? I can't imagine it is so. It is certainly not the way OM
> >lenses work on Can*n DSLR bodies.
>
> I'm to lazy to post the series, but with every OM lens I have
> used on the E-1 it does. I was testing bokeh back when Walt
> started us down that path. So I tested the 50/2, 50/1.2, 90/2
> 100/2 on the E-1 at every F-stop.
>
> It is also possible that the E-1 is interpreting the scene in
> EPS mode to be darker and "interprets" that it should be
> exposed less. I should try center weighted average metering
> to confirm.
>
> Metering with the aperture wide open rather than stopped down
> should not be that far off in predicting the stopped down case,
> maybe 1/3 stop. Certainly not the amount I saw with OM's on
> the E-1.
>
> Wayne
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