When constructing a histogram, it is common to make all bars the same width. One could also choose to make them all have the same area. These two options have complementary strengths and weaknesses; ...

The most important parameter of a histogram is the bin width because it controls the tradeoff between presenting a picture with too much detail ("undersmoothing") or too little detail ("oversmoothing" ...

A histogram is also useful when editing your images, to let you know how far you can push or pull exposure before clipping pixels. Here’s how to use it. More photography 101 Exposure, aperture ...

Finally, the histogram is determined by subtracting the signal line from the MACD line. This is easier to interpret than looking at the two lines alone, since it is sometimes difficult to tell if ...