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A photo histogram is basically a graphical representation of the light distribution in a photograph. In its simplest form, it’s is an evaluation of light vs. dark areas within the drawing. There are more complex histograms that also analyze the distribution across a given color channel, but we won’t get into those today. Histograms are commonly misunderstood or even ignored among amateur photographers. For that matter, histograms weren’t available as a consumer tool until digital photography came onto the scene. Now, many cameras can generate an instant histogram from photos you’re taking in the field. This has helped many photographers make quick adjustments on site or in the studio. In this article, I will give a brief introduction to Histograms, and I will explain how they can help you improve your own photography.
