On Wed 2001-05-02 (13:24), Tanya & Russell Mayer wrote:
> John Mustarde wrote:
>
> "But, unfortunately I never got the A electrical contacts back into
> place, so now my A 50/1.7 is an M 50/1.7."
>
> John, would you mind explaining to me the difference between the M and the
> A? (I have an A)...
A is for automatic aperture - resulting in automatic program, when you use
automatic time as well.
Regards
Martin
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