Edges of the elements are painted black to reduce reflections. Bubble may
be under the black paint. You'd have to strip the old paint, repainting may
fix it.
----------------------------------------------------
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
----------------------------------------------------
----- Original Message -----
From: "Mark Dapoz" <md@xxxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Thursday, December 04, 2003 2:41 PM
Subject: Re: [OM] fisheyes
> On Thu, 4 Dec 2003, Mark Marr-Lyon wrote:
>
> > I'd never noticed this. Mine's an early one with a UV filter. When I
> > checked this, I noticed a bit of weirdness with the front element. It
looks
> > like it's got bubbles around the edge. It almost looks like element
> > separation, but according to the e-sif and parts diagram, the front
element
> > is just a single piece of glass. So, I removed the front element to
>
> If the bubbles look like little white spots then it's likely the black
paint
> which is on the edge (back) of the front element separating from the
glass.
>
> > investigate further. One thing that the e-sif doesn't show is that
there's
> > a brass ring glued to the back of the element. From the parts diagram,
this
> > might be CA165300 and/or CA160600. It's extremely hard to tell where
the
> > bubbles are on this very curved lens, but I'm thinking they might be
from
> > the brass ring pulling off. Has anyone seen this before? Does anyone
know
> > if it is possible to remove this ring, repaint the back of the element,
and
> > reglue the ring?
>
> Since the parts diagram shows the rings as separate parts, they should
separate
> from the front element. If they're really stuck on then it may be best to
> just leave things as they are. Pulling them off may take much of the
paint
> with it. You can of course re-paint the back of the element but you'll
still
> be able to see where the old paint came off. Unless these spots are
really
> bad, I'd say leave things as they are, it's very easy to make things
worse.
> Just ask Albert about his focusing screen :-)
> -mark
>
>
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