Using Camera RAW in Photoshop CS
as Your Digital Darkroom, page 9
White balance
White balance is a term used to describe the lighting conditions in a photograph and how the
eye perceives them.
The White Balance area contains two slider bars: Temperature and Tint. Temperature
(actually expressed in Kelvin) attempts to reproduce light’s actual color. At lower
Temperature settings, a photo appears more cyan, at higher Temperature settings, a photo
will appear more yellow. The Tint slider bar adjusts the light quality. Lower Tint settings
are bluish, while higher Tint settings are redder.
Another feature in the White Balance area is a drop-down list with preset lighting configurations
that attempt to recreate different types of light, such as daylight, fluorescent lighting, and
flash. Figure 6 shows the available options on the White Balance drop-down list.
Figure 6: The White Balance drop-down list and sliders set lighting quality.
Exposure and Shadows
The Exposure slider lets you control highlights while the Shadows slider controls the shadows (of course!)
When the Exposure slider is dragged left, there are fewer highlights. Drag the Exposure slider to the right
and highlights appear.
To decrease the amount of Shadows, drag the slider to the left. Drag to the right to
increase shadows.
Tip: Hold down the Alt/Option key while using either of these slider bars to see a threshold view of the
image. This threshold view is handy for finding the lightest and darkest areas of an image, and determining
if any shadows or highlights are getting lost (or clipped).
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