Exposure and Understanding the Histogram

What does a histogram tell you about contrast, dynamic range, underexposure, and overexposure? Why does exposure differ for digital photography versus film photography? What happens when the exposure is wrong?

In this digital short, author Andrew Gibson answers these questions and more, showing how to use the histogram in practice to obtain optimum exposure. Going beyond simply focusing on how to achieve the "right" exposure for a given situation, he examines how the question of exposure…