>I've had two A 50/1.7s and both have developed the same problem: the
>aperture ring works happily from 1.7 to 8 and the half-stop beyond, but
>refuses to go any further. One took 16 years to fail, the other arrived
>that way from a dealer. Optically, I think it's excellent, but would I
>do better to look for an A 50/1.4 (if I can find one - not easy) as a
>long-term replacement?
>Or would an M lens be better still? I seldom use the A setting anyway,
>and can live with CW and spot metering on the -5n.
>
>Anyone had this happen to an F or FA lens?
If you can live without AF and 'A', I am sure you would be happier with the
M series which were made of metal. I do not recommend the F versions either
(similar problem as the A series).
regards,
Alan Chan
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