Archived posting to the Leica Users Group, 2009/04/15

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Subject: [Leica] 28 Summicron and IR hotspot... on film
From: len-001 at verizon.net (Leonard Taupier)
Date: Wed, 15 Apr 2009 16:29:55 -0400
References: <8f5413a60904150646i1450cd36ne150958ccf03f8c9@mail.gmail.com>
 
Tim,

The 28mm Summicron is known to give hotspots when shooting IR, film  
or digital.

Len


On Apr 15, 2009, at 9:46 AM, Tim Gray wrote:

> So I shot some HIE the other week, and to my surprise, a lot of the
> frames have an IR hotspot in the middle of the frame. I've heard this
> happens with digital and some lenses, but had never heard of it
> happening with film.  I was using my 28 Summicron with an R72 filter.
>   Anybody else have this occur while shooting film?
>
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Replies: Reply from s.dimitrov at charter.net (Slobodan Dimitrov) ([Leica] 28 Summicron and IR hotspot... on film)
Reply from vick.ko at sympatico.ca (Vick Ko) ([Leica] 28 Summicron and IR hotspot... on film)
 In reply to: Message from tgray at protozoic.com (Tim Gray) ([Leica] 28 Summicron and IR hotspot... on film)