Alan,

Umm...still lost.  What does that one contact do?  I wish I had that lens
out so I could see if everything was displayed on 'P' or 'Tv", all my test
shots with it were in Av...I should have known better.  I don't like the QC
tolerance, on shaky ground they should be very attentive to quality control
at least.

Brad

> It's just the way 'A' lenses were designed. When the lens was set to 'A',
> the circuit will be closed and the camera will determine the maximum and
> minimum aperture based on the arrangement of the contacts on the lens
mount.
> F & FA lenses have chips inside to tell the camera what apertures they are
> so they work even when the lens was set to other than 'A'. But then again,
> even with F or FA lenses, the displayed aperture might not be accurate
> (could be 1/2 stop off when the lens was set to non-A). It has to do with
> the QC tolerance.
>
> regards,
> Alan Chan
>
> >Yes, that works (Program Mode), but it's just a mechanism on the camera
and
> >on the lens, to close down the aperture for a shot.  This lens has one
> >contact.  I don't know what it does.  But it will not display the f-stop
in
> >the viewfinder or LCD screen while in Av or Tv mode.  I looked at the
negs
> >(data imprinting does come in handy!!), and in program it tells you, but
in
> >Tv or Av it does not.  Just an F--.  I talked to another member off-list
> >who
> >has this lens, and has used it with the MZ-S and the PZ-1p, and they get
> >the
> >same result.
> >
> >So, it works, but doesn't display the information I would have thought,
and
> >others thought, it should.  It doesn't cripple the lens or camera, but
it's
> >nice to see that information.
>
>
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