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Re: [OM] Hazy 65-200

Subject: Re: [OM] Hazy 65-200
From: "Martin G Flink" <mgflink@xxxxxxx>
Date: Fri, 25 Apr 2003 17:52:26 -0700
I just checked out my 65-200 that I picked up on eBay sometime ago that
did'nt have the haze problem, but was totally out of focus at 200mm...A few
months ago Clint did a CLA on it and the prints are tack sharp from 65
through 200...Marty


----- Original Message -----
From: <clintonr@xxxxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Friday, April 25, 2003 9:11 AM
Subject: Re: [OM] Hazy 65-200


> Very likely it's just fungus, which MAY be removed with cleaning --
there's no
> way to know without trying.
>
> The "haze" on this one particular element of the 65-200mm is quite unusual
in
> that it is so predictably common!  There's GOT to be something about it's
> coating or make-up that promotes this problem.  But I doubt strongly if
it's
> truly a "fungus" problem.
>
> Fungus usually needs two "ingredients" -- moisture and warmth.  The
easiest to
> deal with is moisture -- keep your lenses dry!  If you live in or even
visit an
> area with high humidity or store your lenses in closed cases for long
periods of
> time, invest in some desiccant to store with your equipment.  Once your
lenses
> develop fungus, get them cleaned right away -- it will only get worse, and
will
> eventually damage the elements permanently.
>
>
>
> John Wheeler wrote:
>
> > I have some non-Oly lenses (C*n*n) which seem to exhibit the same
malady.
> > They appear to have an evenly distributed mist over some of the interior
> > faces. Is this stuff a form of fungus? Does it form due to humidity or
> > temperature differential? I'd appreciate any comment and/or advice.
> >
> > John.
> >
> > -----Original Message-----
> > From: owner-olympus@xxxxxxxxxxxxxxx
> > [mailto:owner-olympus@xxxxxxxxxxxxxxx]On Behalf Of C.H.Ling
> > Sent: Friday, April 25, 2003 12:30 PM
> > To: olympus@xxxxxxxxxxxxxxx
> > Subject: Re: [OM] Hazy 65-200
> >
> > I suggest to return it, I have seen three has this problem, one
> > uncleanable due to long storage in that condition, another one I clean
> > it and the haze came back again, the second time I even clean up the
> > whole tube which holding the elements but the haze also came back two
> > to three months later, after that I decided not to touch the Zuiko
> > 65-200 again.
> >
> > C.H.Ling
> >
> > Tom Scales wrote:
> > >
> > > Well, I just got a 65-200/4 in the mail that I won on ebay.  Yep, the
> > > dreaded haze on the second element from the rear. Since I've never
seen it
> > > on one of mine, I forget completely how hard it is to clean.
> > >
> > > Any thoughts?  I have to decide whether to return it or have it
cleaned.
> > >
> > > Thanks,
> > >
> > > Tom
> >
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> > < For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
> > < Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
>
>
> < This message was delivered via the Olympus Mailing List >
> < For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
> < Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
>


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