It is convenient to have a bar graph or table when communicating something on Twitter in an easy-to-understand manner, but it is difficult to create a graph as image data. In such a case, you can use ...

How histograms can help you control key factors that affect exposure levels. Correct exposures are the first step towards usable image files and the histogram displays provided in most digital cameras ...

RedShark Replay: One from the archives. Gone are the days when a light meter and a trained eye was enough; to do better, we need technological measures and test & measurement equipment. Traditionally, ...