QTR-Quadtone RIP

Makes sense to me as long as the dmax is about the same as the
selenium tone set I will probably go for it.
Thanks,

John



--- In QuadtoneRIP@yahoogroups.com, "piezobw" <piezobw@c...> wrote:
> You can leave out the 4th shade to make a K6 set.
> 
> The sample prints we produce have very little black if any in them
as we go for a sample 
> image which has maximum linearization of tone from 0-255. So since 0
is dMax (black) 
> we try and show off the separation in the curves we produce with
detail in 1,2,3,4,5,6,7,8 
> and so forth all the way to dMin or paper white at 255.
Photographers appreciate our 
> highlights but seem to miss huge blacks. We like the shadows open as
much as possible 
> because its not possible with conventional silver paper. Hence there
are very few true 
> black pixels in the image.  We should have probably included a gray
scale and a black 
> patch.
> 
> regards,
> 
> Jon Cone
> 
> --- In QuadtoneRIP@yahoogroups.com, "john dean" <deanwork2003@y...>
wrote:
> > Jon said when I asked this question that yes, you just can leave out
> > one of the dark grey channels. Now how this would affect dmax I have
> > no idea. That element worries me because the sample I received of the
> > K7 had poor blacks to begin with. However, I am not going to judge
> > this probably very fine system by that sample I received. 
> > 
> > John