Adobe Photoshop Lightroom and Adobe Camera Raw have two sets of controls for making tone and contrast adjustments: The Basic panel Tone sliders and the Tone Curve. Because the slider names in these two sets of tools are almost the same, some believe that both sets of sliders do the same thing, while others believe the newer Basic Tone sliders are better and there is no longer a need for the Tone Curve. But neither statement is true: A closer look reveals that each set of controls affects your images in subtle but important ways.
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Editing Highlights and Shadows in Adobe Lightroom and Camera Raw