Archived posting to the Leica Users Group, 2007/11/07

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Subject: [Leica] OT: Fixing radioactive lenses
From: len-1 at comcast.net (Leonard Taupier)
Date: Wed Nov 7 17:44:29 2007
References: <27347376-1AD0-40B7-B526-32A6572F1A6D@comcast.net> <p06230903c357f414b25f@[10.1.16.153]> <4DE4DD11-AFAB-470E-B695-C65A47760141@comcast.net> <A43B3981-98CC-4D00-B0C6-2AC748985816@mac.com>

George,

I think it might help. Some of the people wrap the lens in aluminum  
foil, except for the rear element, and point the rear towards the  
sun. They say the foil acts like a mirror and gets the UV to both  
sides of the element.

Len


On Nov 7, 2007, at 7:17 PM, Lottermoser George wrote:

> Would placing it on a mirror increase the UV exposure?
>
> Regards,
> George Lottermoser
> george@imagist.com
>
>
>
> On Nov 7, 2007, at 6:13 PM, Leonard Taupier wrote:
>
>> Thanks Henning. It's been in front of the black light about 12  
>> hours a day. I'll try it in the back yard on the sunny days.  
>> Hopefully it won't attract low flying birds.
>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information


In reply to: Message from len-1 at comcast.net (Leonard Taupier) ([Leica] OT: Fixing radioactive lenses)
Message from henningw at archiphoto.com (Henning Wulff) ([Leica] OT: Fixing radioactive lenses)
Message from len-1 at comcast.net (Leonard Taupier) ([Leica] OT: Fixing radioactive lenses)
Message from imagist3 at mac.com (Lottermoser George) ([Leica] OT: Fixing radioactive lenses)