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Re: [OM] Fungus in my 50/1.4 MC?

Subject: Re: [OM] Fungus in my 50/1.4 MC?
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Tue, 20 Nov 2001 08:52:37 -0500
The back edges of some elements are painted black.  The bubbles are between
the paint and the glass.

John  Hermanson
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----- Original Message -----
From: "Bernd Moeller" <dsl33687a@xxxxxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Monday, November 19, 2001 11:22 AM
Subject: Re: [OM] Fungus in my 50/1.4 MC?


Thanks, John

> There are some 1.4s with white bubbles in the black paint on the back of
the
> front group.  This is around the perimeter.

This is what could have happened to my lens, I guess. But do you mean the
black paint inside the lens barrel might have evaporated or so and then
condensed on the lens surface?

If this is the case,
> replacement is probably your only option, if you can find them.  If the
> clear area of the element is misted, possible it can be cleaned.
Sometimes,
> I open a lens to find that the damage is inside a cemented group.

Replacement of a lens element is out of my economic means, and I guess it
would be hard to find a replacement element and let someone put it in for
the price of a used lens.

What I find strange, however, is that the lens is still producing decent
pictures. I have an SC version also, and I can't see any difference between
the pictures taken with both lenses.

Best regards

Bernd Möller







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