In Develop, you can use the Tone Curves tool to change the tonal range of an image. Select the RGB color channel to adjust the entire range of the image, or select a specific color.
You can save your settings as a preset for future use.
To Adjust the Brightness Curves in an Image:
Right-click the number field or the arrow for Blacks, Midtones, or Whites to reset it to the default setting. You can also double-click the number field or on the arrows to use automatic settings.
Tone Curves Options
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Curve |
Select a curve to apply to your image. Standard curve is the default. Use Camera to use the curve generated by ACDSee Pro to produce a curve suitable for the image. The Curve drop-down list is only available for RAW files. |
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Channel |
Specify the color channels to adjust. |
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Histogram |
Displays a graphic of the color information levels in the image, based on the selected channel. Click and drag the line to manipulate the curve. Each time you click the curve, a new node is added. You can drag the nodes up and down the curve. To get rid of a node, click on it and drag it up and out of the graph, or drag it down and out of the graph. |
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Blacks |
Click and drag the black triangle or click it to automatically set the black point. You can also enter a number into the fields or use the up or down arrow buttons to set an exact black point. |
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Midtones |
Click and drag the gray triangle or click it to automatically set the midtone point. You can also enter a number into the fields or use the up or down arrow buttons to set an exact midtone point. |
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Whites |
Click and drag the white triangle or click it to automatically set the white point. You can also enter a number into the fields or use the up or down arrow buttons to set an exact white point. |
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Auto |
Automatically sets the points for blacks, midtones, and whites. |