Sounds like maybe the detent ball has gotten out of its hole and is
stuck under the ring. Maybe from wear on the inside of the ring?
Just a wild guess on my part. If it were me I'd open it up and take a
look but if you're not comfortable with that you should send it to:
Clint Rumbo at Photosphere <http://www.olyfix.com/> or
John Hermanson at Camtech <http://zuiko.com/>
Chuck Norcutt
Walter Tani wrote:
> Hi all, I have a zuiko 90 f/2 that just froze up on me. The focus is fine,
> but the aperture ring is locked at f2. This was a sudden onset, not a
> gradual tightening. The ring can still shake ever so slightly, so its not
> binding on something; it feels like its locked on the inside and won't
> close. Any suggestions? If no, I know there are a couple of folks who work
> on these on this list, but have lost their contact info. Could someone
> please forward that info to me?
>
> Appreciate any help!
>
> aloha,
> walt tani
> honolulu
>
>
>
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