Digital BW, The Print

Anthony,

> Sometimes.  But there are important real-world cases that just don't work.
> You cannot simulate the results of shooting B&W through a filter by using
> any transformation of RGB, for example.

That's not relevant to the discussion.  Let's just stick to simple grayscale
conversion from RGB values.

> You cannot simulate Velvia from
> Provia, either; just increasing saturation doesn't work.  Many other
> real-world examples could be cited.

But again, that's not relevant for this discussion...

> This is why some people become very frustrated trying to exactly duplicate
> the "look" of a B&W film (or any film) using the image from an electronic
> camera.  It can't be done.

Hum.  I see it done all the time.

> In fact, you can't duplicate the look of an
> electronic camera on film, either, but since hardly anyone tries
> to do that,
> nobody has noticed.

The ability to "process" the data is significantly reduced trying to do that
with film.

Austin