Welcome!
>
> I made a series of digitally processed pictures on cyanotype.
> The negatives were printed on a AGFA photosetter (1200/2400dpi) set to
> print 2400 dpi. I used a simple ditheration (900dpi) as screening. Why
> 900dpi? Well, that seemed to be the finest print that the photosetter
> could produce without loosing too much tones in the highlights.
Could you elaborate on the "loosing too much tones in the highlights"
part. I am making digital negs (for Pt/Pd) on an AGFA imagestter --
output at 2400 dpi. However, my files are 1200 dpi diffusion dithered.
David Fokos