Curves
From Nikonians Wiki - FAQs, Photo Glossary, Good Photo Locations, Help
An Adobe Photoshop functionality that allows to adjust the tonal range of a digitized image. From basic adjustments in shadows, highlights and mid tones, to sophisticated adjustments at any point within a 256 (from 0 to 255) tonal range of the entire image or precise adjustments to the individual color channels of an image.
