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Yellowing of radioactive lens elements....Re: [OM] 55/1.2

Subject: Yellowing of radioactive lens elements....Re: [OM] 55/1.2
From: Thomas Heide Clausen <omlist@xxxxxxx>
Date: Fri, 8 Aug 2003 21:49:28 +0200
On Fri, 8 Aug 2003 11:35:04 -0700
"William Sommerwerck" <williams@xxxxxxxxxx> wrote:

> If anyone wants to buy mine for $250, they're welcome to it. It's
> yellow. Looking through the finder is like looking through a weak
> tea solution. Definitely not suitable for 'chromes.
> 

I read somewhere that strong UV radiation should make the yellowing
disappear. Of course, it was on a Pentax mailing list, and I cannot
find the posting claiming that. Any of you guys out there, skilled in
the issue of radioactive lenses, who can either debunk that or
confirm it as a possibility for such unfortunate lenses.

55/1.2 is a cool lens otherwise, btw....

--thomas

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