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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