Best way to remove halftone artifacts

Bill wrote:
> So how do you measure the fixed spacing by a ruler and loupe,
> maybe by looking at the darkest part of the image? But when I
> do, I can see alternating white and black dots. I wonder if
> one halftone cell is made white and one halftone cell black or
> the dots in the halftone cell were made half size black. The
> source I was looking at (experimenting) was a black and
> white picture in a book published in 1983 in gross paper.
> Before the advent of digital halftoning,

Before digital, half-toning was done optically.

> I wonder what is the
> equivalent output resolution dpi they use? 600 dpi? 1200?
> 2400 dpi? any ideas?

It depended on the publication, same is it does now.


--
W
. | ,. w , "Some people are alive only because
\|/ \|/ it is illegal to kill them." Perna condita delenda est
---^----^---------------------------------------------------------------

Bob Larter