Deciphering the little white letters changed when they moved them from the back
of the
body pressure plates. My quess would also be early 80s regarding when this
changed.
Knowing when a body or lens was made was important for in house quality reports
that
were being sent back to Tokyo.
John
Shawn Wright wrote:
> > Lenses that don't have the white production numbers readily visible may
> > have them
> > (gulp) under the focus rubber. This pertains to older production lenses.
> >
> > John
>
> Thanks, John. One mystery solved...
> Any idea when this practice changed? My guess would be between
> 80 and 84, based on the samples I have.
>
> Could you refresh us on how to read the lens date codes? I tried
> the method from the FAQ, but it doesn't seem to make sense on
> my 50/1.8, marked SAE4.
>
> Thanks.
>
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