Isn't the 28/3.5 a non-A aperture lens? How did you
set the aperture in Av mode? I have a D, not a DS. I
can use non-A lenses in manual mode only.
--- Shel Belinkoff <[EMAIL PROTECTED]> wrote:
> SMC-Pentax 28/3.5
>
> Shel
>
> > [Original Message]
> > From: Charles Robinson <[EMAIL PROTECTED]>
>
>
> > On Oct 12, 2005, at 13:37, Shel Belinkoff wrote:
> > > Tried the scenario a number of times, making
> sure to hit the
> > > AE-L button, making sure settings did not
> change, etc. Must have run
> > > through 50 or so exposures testing this. The
> camera consistently under
> > > exposes when in manual mode compared to using
> the same settings an Ap
> > > Priority. Any thoughts?
> > >
> >
> > I'm having the exact same problem with a 3rd-party
> lens I just
> > bought. Vivitar "Series 1" 70-210 f2.8-4 lens.
> When in "Av" mode,
> > it consistently overexposes by at least a stop.
> When in full manual
> > (hit the AE-L) mode the exposure is dead on. My
> first thought was
> > that it could be a slow/sticky aperture, but it
> *seems* to be moving
> > fast-fast-fast, so I'm not 100% sure where the
> problem is yet. :-(
> >
> > Just out of curiousity - what lens is this that
> you are having
> > problems with?
>
>
>
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