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Chapter 3. Using Camera Raw > The Calibrate tab

The Calibrate tab

I've already covered the intended use of the Calibrate tab controls—fine-tuning the color rendering for a specific camera—in detail earlier in this chapter. Here I'll look at some creative uses of the controls.

One non-obvious use of the Calibrate tab, which I must credit to Adobe evangelist, raconteur, bon vivant and demomeister Russell Brown, is in color-to-grayscale conversions. Start by reducing the Saturation control in the Adjust tab to –100, and then move to the Calibrate tab. The Hue sliders control the panchromatic response, while the Saturation controls let you modulate the strength of the Hue controls' effect. Figure 3-44 shows examples of different black and white conversions, along with the settings that produced them. Note that the ideal values will vary from camera to camera, but the ones shown here should get you in the ballpark.


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