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Re: [OM] Radioactive glass

Subject: Re: [OM] Radioactive glass
From: omlist@xxxxxxx
Date: Fri, 25 Jul 2003 15:06:10 +0200
Quoting Thomas Haegin <haegint@xxxxxxxxx>:

> 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,

Well, Thomas, then you should not be concerned whatesoever :)While MTF-graphs, 
resolution-tests, color-evaluation and all that other stuff is great, the 
ultimate metric is if you like the results of your photography. 

So I would not be concerned if I was you :)

--thomas



> 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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