Using the Eyedropper
Taking a closer look, I'm aware of some dust as well as the creases. You can see the creases in Figure 21.7. I'll have to do some touch-up work to get rid of those.
Sometimes you need to paint over part of the image, either to fill in scratches or to remove unwanted lines, spots, or in-laws. Use the Eyedropper tool to select a color with which to paint. Simply click the Eyedropper on any color (or in this case, shade of gray) in the image that you want to replicate, and that color becomes the foreground color, ready to apply with the Brush, Airbrush, or whatever Painting tool you choose. You can also hold down the Option (Mac) or Alt (Windows) key while a Painting tool is selected to turn it temporarily into an Eyedropper, ...
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