Digital BW, The Print

From:  "Pieris Berreitter" <pieris@y...>

>Roy made a good point that I hadn't considered: you need to (at >least)
>double the number of grays we can distinguish between to prevent the
>eye from seeing banding in continuous-tone regions.

I think he said at least twice as many as we can recognise between.
Something like the Nyquist(sp?) sampling theory.

-- "Tyler Boley" <tyler@t...> wrote:
> 

> I've seen this dicussion many times over the years, and I can't help
> but always conclude that there is no reason to say enough is enough.
> We are dealing with a glorified half tone process here with our
> inkjets, so we're not truly continuous tone to begin with, we are
> implying continuous tone. Working toward more and more tones seems wise.
> It gets down to making a print that is beautiful, and more available
> tones is one factor moving in that direction.
> Tyler

It would appear that continuous tone is also in the eye of the
beholder as even film is only continuous tone in appearance--ie: at
micro levels the image consists of small bits and clumps of silver or
dyes. Something like dots and dithering? ;)

The beautiful part says it all Tyler.

Duane