Archived posting to the Leica Users Group, 1997/01/13

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Subject: RE: Fungus??...with a 35 ASPH
From: D Khong <dkhong@pacific.net.sg>
Date: Tue, 14 Jan 1997 05:36:18 +0800 (SGT)

At 10:44 AM 1/13/97 EST, you wrote:
>
>>From: David W. Almy
>
>>True story: Bought a new 35 1.4 ASPH delivered 12/24/96. Looked fine at
>>first glance.  [...]
>
>>Last night, preparing for a large project which starts Monday, closely
>>inspected lens. There is a huge piece of lint dead center of the lens just
>>behind the aperture blades, INSIDE THE LENS!! Also a smaller spec,
>>seemingly on the same surface, off to the side. Cripes!!
>
>I was considering a 35mm ASPH show sample that had a fibrous looking
>thing inside it.  Since it was a show sample, I suspected the foreign object
>had worked it's way in over the course of repeated handling.  Strange that
>a new one would show this.
>
> - Kevin
>kburke@iterated.com

Here in the tropics, it sounds like fungus thriving on the lens.  Advanced
stages of the disease can spoil the lens.  Fortunately, there is so far no
evidence that repeated handling of the same lens can transmit the dreaded
disease to humans!

Dan Khong