Digital Photography Blog's Histograms Tips
Digital Photography Blog have produced a useful guide to histograms, rounding up 10 of the best resources on the Web.
“The Histogram is one of the most useful tools in Digital Photography yet it is one of the least understood and utilized. We’ve searched the web for ten of the best Histogram Tips and Tutorials to help us all to get the best possible exposure for our digital images. These tutorials focus upon both in camera histograms and histogram tools in imaging editing software.”