Thanks John, it seems a complicated job and the OM-40 are so cheap, hard to
decide to send it for repair or not.
C.H.Ling
----- Original Message -----
From: "John Hermanson" <omtech@xxxxxxxxx>
> Could be the second curtain is running too fast (or first curtain slow.)
At
> high shutter speeds second curtain could catch up with first and close
the
> slit. Most likely this would happen at 1/500 or 1/1000 due to slit
already
> being very narrow. Could be in cold temps, first curtain slows down, due
to
> dry shutter shafts. Lubing is required .
> Curtain "bounce" cannot be fixed by adjusting speed of curtain.
> ----------------------------------------------------
> John Hermanson www.zuiko.com
> mail: omtech@xxxxxxxxx
> Camtech, Olympus Sales & Service since 1977
> 21 South Lane, Huntington NY 11743-4714
> 631-424-2121 Turnaround 4-5 weeks
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