Two designers walk into a bar and sit down with their Powerbooks. One designer says to the other, “How much you want to bet I can correct the highlight and shadow of this image without using any adjustment tools or filters directly on the image?
The other designer takes him up on the bet and a minute later begrudgingly hands his associate $10.
How did the first designer win the bet?
The designer used a contrast mask to adjust his highlights and shadows. You can too by following these simple steps.