I've also found that changing the temperature of the light in the RAW converter 
will affect the look af a subsequent BW conversion. You can also adjust 
individual color values, which again will afftect the way they convert given a 
specific channel distribution.
Paul


> On Thu,  2 Dec 2004 13:17:48 -0500, Collin Brendemuehl wrote:
> 
> >In B&W we can affect contrast and gray-level representation of color with 
> >the 
> use of filters.  Some on the camera, some on the enlarger.
> >
> >What I'm thinking of is really a question about the "raw" format.  Is it 
> >truely 
> "raw", the simple captured sensor data.
> >If it is, are there techniques in place to allow later treatment of the data 
> >as 
> though it were the original light,
> >making it monochrome, filtering the colors, and anything else
> >that I'd like to do on the front end.
> 
> In Photoshop under the Adjustments menu there is an option for "Photo
> filter".  You can add a variety of in built filters to the colour
> picture and then desaturate.  This should give the effect of having
> taken the image with the filter in the first place.  I haven't tried
> it, but I would be interested in hearing from those who do a lot of
> black and white as to how well it does work.
> 
> 
>  Leon
> 
> http://www.bluering.org.au
> http://www.bluering.org.au/leon
> 
> 

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