Archived posting to the Leica Users Group, 2009/09/30

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Subject: [Leica] Pradovit 253 IR problems
From: henningw at (Henning Wulff)
Date: Wed, 30 Sep 2009 21:47:26 -0700
References: <><5A620BF2F56A484D8831E06E5 2CE5D83@DD4FYK21> <> <100120090434.9187.4AC4315000054AEF000023E3223245003003010CD2079C080C03BF9>

At 4:34 AM +0000 10/1/09, grduprey at wrote:
>I think the Colorplan CF is the standard lens with Leica projectors. 
>But I guess it is possible Bill got one with the other version.
>Gene  --------------

The Colorplan CF works best with slides that are mounted in plastic 
frames where the slide is attached only at one point. In heat sealed 
cardboard mounts like Kodachrome the slide is attached at many 
points, and doesn't pop the same way.

For optimum results Kodachrome and glass mounted slides are best 
shown with the regular Colorplan, and E-6 which in the later decades 
was usually mounted in plastic mounts is best shown with the 
Colorplan CF.

I have both and for the mixture that I sometimes have use the regular 


    *            Henning J. Wulff
   /|\      Wulff Photography & Design
  /###\   mailto:henningw at
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In reply to: Message from sonc.hegr at (Sonny Carter) ([Leica] Pradovit 253 IR problems)