I think I guesstimated once it was something like 240-300 dpi. Had
a client say recently that even under a lupe the dots in the prints
from the plate I made for him with the 1800 dpi screen were essentially
invisible. Granted that particular print had a bit of plate tone...but
it was quite the compliment nonetheless. |
Jon... I'm using the same screen as Keith (Dan Weldon's).
I'm getting basically the same exposure times as you, adjusted for my
1000w Nuarc.( about 44 sec each exposure) I wish I knew what
resolution this screen is... I keep trying to count dots, but then I
blink and well....
On 3/8/07, taylordow
The exposure times are very close to what Jon suggests, 10-11secs for
a 5K lightsource. This is much less than I would have usually have
exposed the plate for (45secs). From the very quick test I ran, there
is definitely a deeper black although the midtones don't seem to have
shifted at all. With such a short exposure/washout, I was worried
that it might be uneven but it's actually very uniform, even in a
smooth grey sky.
I have never liked deep blacks or stark whites in my work, preferring
some tone in the highlights, and detail that you have to look for in
the shadows; the km73s give you that plate tone in the highlights.
But with Jon's method I may have to be careful, for the blacks are so
As I mentioned before, I've played with numerous combinations of
screen and image exposures and every time, the best was always 50:50
On Mar 8, 2007, at 9:40 AM, Christina Z. Anderson wrote:
What effect did you notice with shorter washout?
Longley exposes the positive on KM73 for about 3 minutes (
summer sun) and then the aquatint on top for 1 minute. I find that
an interesting combo of times...
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