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Table Of Contents
Without any adjustments made, each curve control is a flat diagonal line; in other words,
each source value equals its adjustment value, so no change is made.
Source Value
Adjustment Value
If part of a curve is raised by one or more control points, then the tonal area of the image
that corresponds to that part of the curve is adjusted to a higher value. In other words,
that part of the image is lightened.
Effect of raising midtones using the Luma curve
If part of a curve is lowered with one or more control points, then the tonal area of the
image that corresponds to that part of the curve is adjusted to a lower value. In other
words, that part of the image is darkened.
Effect of lowering midtones using the Luma curve
235Chapter 9 The Primary In Room