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B+W IR Filters

  • From: njshih@xxxxxxxxxxx (N. Remi Shih)
  • Subject: B+W IR Filters
  • Date: Wed, 7 Aug 1996 10:42:25 -0700 (PDT)
Just flipper over B&H catalog and find that B+W mades several IR filters.
Question is that their filter numbers are not in any readable
(understanding) form.  Anyone knows the trick?  Convertion table like this
will be veru helpful.. 

B+W     Readable form    Cut off
---    ---------------  ---------
092        25A?           600 nm?
093        ?              ?
094        ?              ?
099        ?              ?
489        ?              ?
------------------------------------
N. Remi Shih
Tricki Bioengineering Laboratory
University of California Davis
Life won't be good without a camera
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Topic No. 5