Digital BW, The Print

Todd Flashner wrote:

>
> > When these digicams 'capture' all those claimed pixels, they don't really.
> As
> > I
> > have said several times before, these cameras concoct ('interpolate') a
> > pixel's
> > worth of data from a third of a pixel's worth of information.  e.g.  A red
> > sensor produces, via interpolation an RGB pixel.
> >
> > So....the best way to test the camera would be to use a highly detailed
> scene,
> > with very few straight lines.  These cameras do a very good job of
> > 'interpolating' (another way of saying inventing) straight lines or images
> > with
> > hard edges and broad areas of tone.
>
> What I took from my question to Austin (Horses Mouth, about a week ago) is
> that these one shot cameras interpolate color, not detail.

I do not understand how one can separate 'color' information and 'detail'?  They
are one and the same.  It's not like there are separate or different parts that
make up the image.  A crude example of what it's *not* like would be the silver
matrix on which Kodachrome applies its dyes.

Harvey Ferdschneider
partner, SKID Photography, NYC


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