Paul Stenquist <[EMAIL PROTECTED]> wrote:

> You don't have to do it in conversion. Just convert your RAW red image
> with good exposure data on the histogram and do your BW conversion in
> the PSCS channel mixer. I don't discard the green and blue. I find they
> can sometimes add a bit when tweaked. Here's my favorite from among my
> IR shots. (Seen here before.) 

I supose this depends on the filter. While there may be information left
in the green and blue channels with something like a Hoya R72, there's
definitely nothing of any use in those channels with a #87. Trying to
crank them up would only result in more noise.

Ralf

-- 
Ralf R. Radermacher  -  DL9KCG  -  Köln/Cologne, Germany
private homepage: http://www.fotoralf.de
manual cameras and photo galleries - updated Jan. 10, 2005
Contarex - Kiev 60 - Horizon 202 - P6 mount lenses

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