Most digital cameras have a pop-up flash, like this one atop the viewfinder of a digital SLR. An important exception is that professional cameras don’t have this feature.

Most digital cameras have a pop-up flash, like this one atop the viewfinder of a digital SLR. An important exception is that professional cameras don't have this feature.

Most digital cameras have a pop-up flash, like this one atop the viewfinder of a digital SLR. An important exception is that professional cameras don’t have this feature.