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[OM] Re: Yellowed 24mm f/2.0 MC

Subject: [OM] Re: Yellowed 24mm f/2.0 MC
From: "Timpe, Jim" <Jim.Timpe@xxxxxxxxx>
Date: Wed, 1 Oct 2008 06:52:48 -0700
First time I've heard of yellowing in anything but the 55/1.2.  Don't
think sun exposure would help that lens, as the cause must be something
other than radioactive glass.  Nicotine stains? 

-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On
Behalf Of Dawid Loubser
Sent: Wednesday, October 01, 2008 12:31 AM
To: olympus@xxxxxxxxxx
Subject: [OM] Yellowed 24mm f/2.0 MC



Hi All,

I purchased a 24mm f/2.0 MC (SN# 103xxx) on Ebay, which arrived today.  
The lens looks fantastic, operates
smoothly, etc - but there is one problem: The lens has a substantial  
yellow cast - when you look through
the viewfinder, it looks like a pretty strong warm-up filter has been  
fitted.

I plan to shoot exclusively B&W with this setup (I use my Mamiya and  
Linhof for colour landscapes) but
I was wondering, is this a similar problem to the rare-earth elements  
that yellow in the notorious early
copies of the 55mm f/1.2 lens? Did they use similar (rare-earth)  
elements in the early 24/2.0 MC lenses?

I have heard that placing a yellowed 55/1.2 in direct sunlight could  
clear it up, is it worth trying with
the 24mm, or is this some other problem you guys know about?

thanks for the expertise :-) I could live with this lens like this,  
but obviously would prefer a slightly
less warm outlook on life, if possible.

regards,
Dawid


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