Diaphragm ring could have dried lube in it. Is this an Olympus lens? If
it's built like other Pen lenses, remove name ring, remove filter ring.
Unscrew front lens group, focus all the way out (on some pen lenses,
dia ring tab will not clear inner parts unless focused out) then remove
dia. ring.
___________________________________
John Hermanson | CPS, Inc.
21 South Ln., Huntington NY 11743
631-424-2121 | www.zuiko.com
Olympus OM Service since 1977
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iwert bernakiewicz wrote:
> Hello everybody,
>
> after succesful recalibration of my Pen FT meter by carefull wigling
> of the speed knob,
> I'm looking for a solution to a problem my 60mm f1.5 developed:
>
> The aperture ring is stiff between f4 and F11, aperture is dry and snappy.
> It is an FT lens so with the reversible scale. I have an exploded view
> diagramm
> from the book of John Foster (biofos), but that shows the first "F
> version" of the lens.
>
> Question is how to get at the ring? I suppose a carefull cleaning of
> the inner parts
> of the ring will do, but don't know how to get at it (and I'm not in a
> mood to experiment
> with this lens :)
>
> Many thanks for any advice,
>
> Iwert
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