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Full Version: Help understanding the zone sliders in CR parametric curve
Luminous Landscape Forum > Raw & Post Processing, Printing > Adobe Camera Raw Q&A
jljonathan
Can someone please explain the theory/use of the zone sliders in parametric curve and how the 3 sliders relate to the 4 controls. I see that the grid divides the tones into 4 areas which can be controlled by the 4 tone sliders, but how does one set the 3 zone sliders to correspond. What would be a good starting point?
Thanks
Jonathan
JeffKohn
QUOTE (jljonathan @ Oct 1 2009, 04:15 PM) *
Can someone please explain the theory/use of the zone sliders in parametric curve and how the 3 sliders relate to the 4 controls. I see that the grid divides the tones into 4 areas which can be controlled by the 4 tone sliders, but how does one set the 3 zone sliders to correspond. What would be a good starting point?
Thanks
Jonathan

They control the crossover points between the 4 tone sliders. I don't know of a really good way to explain it but if you play around with them it should become more clear.
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