Digital BW, The Print

Hi Paul,

> > ...If the file is only 360PPI, than the highest resolution
> >it can print is 360/2 (because it's line pairs) /25.4 is 7.0866 lp/mm.
>
> Yes.  I have used 720 and 1440 resolution test files for the higher
> resolutions.  Putting that size file in the files section might be a bit
> much, however.

I'd like it if you would ;-)

> >> >>> 4. Do papers have a significant impact on
> resolution/sharpness number
> >> >>> of tones rendered and tonal transition
> >
> >> I have not measured the sharpness of the top RC papers, but my sense of
> it
> >> is that they show a lot more of the digital artifacts.  Part of this
> >> (probably most of it) is that the increased RC contrast makes defects
> >> visible that were hidden on matte papers.
>
> >The ink goes in further with matte papers, I believe, which would mean it
> >would spread more as well.
>
> As I understand it, however, one purpose of the inkjet coatings is to keep
> the ink restricted and pull the water straight down.  That is why the
> uncoated papers are less sharp.  With them the ink does spread
> horizontally.

My understanding as well!

Regards,

Austin