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Re: [OM] Radioactive glass

Subject: Re: [OM] Radioactive glass
From: Thomas Haegin <haegint@xxxxxxxxx>
Date: Fri, 25 Jul 2003 12:50:36 +0200 (CEST)
Moose,
wao, thanks for your great explanation. Very clear
now! I still need to take a look through my 1.4 then.

How concerned do I need to be that these yellowed
uranium-whatever(?) lenses produce a yellow cast in
the pictures I take? I have not noticed any bad
results I would ascribe to that, but I never really
looked that closely either... Maybe it could be a
problem if you were into architecture photography and
had big white walls...?

Thomas

 --- Moose <olymoose@xxxxxxxxxxxxx> schrieb: 
> You are mixing up 2 different things. The coatings
> .....
> The distinctions are that the rare earth lenses show
> a yellow cast when 
> you look through them, all early 50/1.4s show yellow
> reflections from 
> the surfaces and non rare earth lenses show no color
> cast when you look 
> through them.


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