
The Levels and the Curves should be used together in correcting light in an image. It is not a trial and error bit of work, but a well defined way to do it. First the Levels command should be tried. If you cannot correct the light of an image in its entirety try Curves. Both Levels and Curves can be used in a different number of ways. But without going into the details, here is the simplest way to use the Levels and Curves together in an image.This image has been corrected using Levels and then Curves. The original image is just below.I will be using this photo that I took over a year ago. The light makes the colors different...