Groups can be separated and then recemented, but I've never done it. There
are shops that specialize in it.
John Hermanson
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___________________________________
----- Original Message -----
From: "Jim Brokaw" <jbrokaw@xxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Monday, November 12, 2001 11:04 PM
Subject: Re: [OM] 8mm Fisheye question
| on 11/12/01 10:15 AM, Jim Couch at JamesBCouch@xxxxxxxxxxxxx wrote:
|
| > I wonder if the problem is fungus, or is it separation of the rear two
| > elements.
| > From the lens diagrams it looks likethe two rear elements may be
cemented
| > together. Perhaps John H. or Clint could chime in here. If this is the
case,
| > can
| > separating elements be recemented? Perhaps that might be an option for
repair.
| >
| > Jim Couch
| >
| > Mark Dapoz wrote:
| >
| >> I don't know what it is about the rear elements of the 8mm, but I've
seen
| >> several which have had fungus on only the rear elements. Perhaps it's
the
| >> type of coating they used, but whatever it is, it seems to cultivate
fungus.
| >> I would suspect there are many 8mm's out there in search of rear
elements.
| >> -mark
| >
|
| I think you're right in that one of the rear elements is a two-piece
| cemented element, but the ones on my lens were definitely fungus damaged.
| There were some kind of almost opaque coverage, and trying to clean that
off
| didn't work with progressively stronger 'home remedies'. Has anyone used
an
| ultrasonic cleaner machine for lens elements? I can always use a good
excuse
| to get a new tool.
| --
|
| Jim Brokaw
| OM-1's, -2's, -4's, (no -3's yet) and no OM-oney...
|
|
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