ALSO, some elements are first painted then permanently mounted in brass
rings of different sorts. So, you might have to get the element out of a
brass ring first, strip paint, repaint, remount in ring, etc. I don't know
if this applies to you.
----------------------------------------------------
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 Marr-Lyon" <markml@xxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Thursday, December 04, 2003 9:32 PM
Subject: Re: [OM] fisheyes
> Mark Dapoz wrote:
> > 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.
>
> then John Hermanson wrote:
> > 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.
>
> Yes, I'm now convinced that this is the problem.
>
> back to Mark Dapoz:
> > 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.
>
> I'm now pretty sure that they aren't on the parts diagram. I think the
> rings I see on the diagram are for retaining the 2nd element. Yes, the
> brass ring seems to be fairly well attached, so I doubt I could get it
> off without pulling a lot of paint with it. I can't see these bubbles
> having much effect, other than to slightly reduce flare resistance (a
> flare-resistant fisheye is almost an oxymoron anyway). When I first
> saw them, I thought they might be extending into the element, but now I
> think that I'm seeing the bubbles reflected off the back surface of the
> element. For those who haven't seen it, take a look at the e-sif to
> see just how curved this element is!
>
> > 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 :-)
>
> Haha! I know quite a lot about making things worse! I think my mom
> still can't quite believe that I'm capable of getting anything back
> together, after all the stuff I "fixed" growing up :) These days, I
> usually get things together in better shape than I started, though not
> always. Unless I can see any effects of the bubbles in pictures, I'm
> just going to leave it alone.
>
> Mark
>
>
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