Digital BW, The Print

Hi Martin...

> Remeber Plane Geometry? The Postulate that says that any line segment
> contains an infinite number of points? A tone has no width so there is no
> limit on how many you have within a line segment on a tone curve.

But measure those points on the line for me will you?  Get it?

> > > What would that mean in terms of your dynamic range equation?
> >
> > Your minimum discernable signal is now the limits of your eye.
>
> Then shouldn't were be looking at the limit of our eyes and not
> the prints?

But that's you putting the limit on this!

> And if the prints all exceed the discernable limit of our eyes
> wouldn't the
> factor of interest then be the density range?

Not necessarily.  How do you know you have a full set of tones?  Because you
may reach the limits of the eye in one "range", doesn't mean it does across
the entire print...hence posterizing ;-)

> > > Is that because of the quality of the materials or how they were used?
> >
> > Could be either, and may be something else...and I believe that's image
> > dependant.
>
> As in negative or as in the actual scene?

Not quite sure what you mean here...

Regards,

Austin