More Info: I expected that the density of the full +M would cancel out the -C and I would have a "normal" ramp with which was just warmer. I don't know whether the ink densities (C and M and LC and LM) are the same though which would certainly have an effect. My print looks close to your -25C print but warmer with the addition of the +25M. I was basically trying to find out what the warmest print I could get from the set was. Brian http://www.brianchapmanphotography.com --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Brian Chapman" <brianechapman@...> wrote: > > Clayton (or anyone else), > > I've been testing out the techniques in the variable tone article and > I've run across a problem...well, not a problem, just something I > can't think of how to adjust for. > > This example is printing Paul's step wedge. If I set (this is an > extreme example, I know) the cyan slider to -25 and the magenta to +25 > the tones in the 70-90 range are about equal and there's a clear break > to pure black around 95%. I know there's a curve that would correct > for this (to get back to a normal step wedge) but I can't seem to wrap > my mind around what it should look like. I should add that I don't > intend to print that way I would just like to understand what's > happening better so I can apply it to lower levels of adjustment. > > At lower slider levels I can see this beginning to happen but it's > only minimally noticeable. > > Any suggestions on a curve to try? Also, sorry for posting so many > questions and not many answers... > > Thanks, > > Brian > http://www.brianchapmanphotography.com >
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Re: variable tone article question
2006-06-10 by Brian Chapman
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