Archived posting to the Leica Users Group, 2007/02/06

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Subject: [Leica] IR filters
From: henningw at archiphoto.com (Henning Wulff)
Date: Tue Feb 6 12:49:02 2007
References: <9DBA19FE-B9A7-4E6A-91CA-7BAD8F518147@mac.com> <p06230911c1ee7b6c0bf2@[10.1.16.144]>
 
>
>The 092 is pretty much equivalent to the Wratten 89b, and the 093 to 
>the Wratten 87.

Sorry, that should be: 093 is equivalent to the 87C.

Doesn't make much difference in practice, as far as the M8 is 
concerned. It still has enough sensitivity above 850nm to make the 
093 work.

-- 
    *            Henning J. Wulff
   /|\      Wulff Photography & Design
  /###\   mailto:henningw@archiphoto.com
  |[ ]|     http://www.archiphoto.com
In reply to: Message from imagist3 at mac.com (Lottermoser George) ([Leica] IR filters)
Message from henningw at archiphoto.com (Henning Wulff) ([Leica] IR filters)