[Konvas] Oliver

[olivier auverlau]

No idea !!!



----- Original Message ----- 
From: "Pierre Samuel Rioux" <psrioux at gmail.com>
To: <cinema at konvas.org>
Sent: Friday, October 09, 2009 6:27 PM
Subject: [Konvas] Oliver


> We have a post early this year about lens Russian or Zeiss where the glass
> shift color because of the sand they used to made the glass...
> If i remember in the post the persons propose to expose the lens to the
> natural light near a window for few days and put a aluminum paper on the
> other side for reflexion.The glass then recover the transparency or is
> original color....
>
> We protect the lens and put them all the time in a dark area maybe if they
> got some sun tan  for few hours this could dry them and avoid other 
> problem
> ?
>
> Any optical specialist on the list ?
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