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Chapter 6. Tonal Correction: Stretching ... > Tonal Correction in Practice

Tonal Correction in Practice

Theory is all very well and good, but there's no substitute for practice, practice, practice. Every image is different, presenting its own challenges and opportunities; here are a couple of examples of how we use these tools together to enhance images quickly and efficiently.

Using Levels to Correct a Good Scan

Figure 6-29 shows an image scanned from color negative using a Leafscan 35. Since the Leafscan is a high-bit scanner, we tapped its capabilities, setting reasonable black and white points to avoid tonal clipping, and applying a gamma move of 2.2 (to match our working space gamma). This yielded a scan that was very usable, but needed some fine-tuning to increase contrast, bring out detail, and get it ready for print.


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