Book excerpt: Histograms are the key to proper exposure and creating stunning images in the post-processing stage.Did you know that there are four types of histograms used in Digital Photography?Most books on the subject only discuss the Luminosity Histogram that is projected on the LCD of digital cameras, but there are other types that are used in post-processing.Also, most books will only tell you how to set your exposure with histograms. In this relatively short book, you will learn how histograms are created and what they really mean. No more guess work or intimidation. Can you identify with any of these experiences?Do your eyes glaze over when people talk about histograms?Are you enthused about photography but confused by all the technical jargon?Would you like to be more consistent with the quality of your images?Do you wonder how professional photographers get such great shots?