Adjusting white balance

White balance, temperature, and tint all relate to each other. White balance is actually a combination of color temperature and tint; in Camera Raw, you can set it quickly by choosing any of the predefined temperature-and-tint settings.

Setting the white balance can be accomplished in two ways, choosing one of the settings in the White Balance selection, or using the Temperature and Tint controls. If you choose one of the preset White Balance selections, you'll notice that doing so adjusts the temperature and tint for you, as shown in Figure 9-7.

Each White Balance selection will dynamically change the Temperature and Tint controls, displaying color temperature in degrees Kelvin.

On most digital cameras, you can set the white balance manually (and quickly) by choosing preset White Balance selections — but if you happen to choose one that doesn't produce an image with correct temperature and tint, now's your chance to make it right! The Camera Raw White Balance, Temperature, and Tint controls give the photographer the power to improve these values in images that didn't quite get photographed correctly.

As shot, temperature 4950°, tint -3

Auto, temperature 7500°, tint +1

Auto, temperature 7500°, tint +1

Daylight, temperature 5500°, tint +10 Cloudy, temperature 6500°, tint+10

Fluorescent, temperature 3800°, tint +21 Flash, temperature 5500°, tint 0

Figure 9-7: The Adjust tab with Auto Adjustments applied.

Fluorescent, temperature 3800°, tint +21 Flash, temperature 5500°, tint 0

Figure 9-7: The Adjust tab with Auto Adjustments applied.

Here's how to change the white balance of an image:

1. Click the White Balance selection (see Figure 9-8).

Choose one of the predefined White Balance selections that best represent lighting conditions for the image when you photographed it.

Figure 9-8: Selecting from pre-defined White Balance selections.

2. Fine-tune temperature.

If the White Balance setting still doesn't give you the adjustment needed to eliminate any blue or yellow cast, move the Temperature slider to the right to remove any blue cast or to the left to remove any yellow cast to the image.

3. Fine-tune tint.

You probably won't need to adjust tint in many of your images, but if you see a visible green or magenta cast to your image, move the Tint slider to the right (to reduce green and increase magenta) or to the left (to reduce magenta).

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Reasonable care has been taken to ensure that the information presented in this book is  accurate. However, the reader should understand that the information provided does not constitute legal, medical or professional advice of any kind.

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