How To Read and Understand a Histogram December 26, 2007 By Eric Reagan What is a histogram and what does it tell us about a photograph? A histogram is the graphical version of a table that shows what proportion of cases fall into each of several or many specified categories. read more | digg story email Related posts: Is Photography Dead? 1000s of Free Photoshop Plugins & Filters 5 of the Best Magazines For Your Photos Secret Recipe for Stock Photography Gobos, Snoots, Grid-Spots, and Cookies. What Does it all Mean?