Using histograms to gauge exposures

All digital cameras are able to display a histogram on their LCD monitors and/or in their electronic viewfinders (if they have one). It's one of the benefits of digital capture, yet it's often ignored because many people don't know how histogram data should be used.

Most casual snapshooters check the image reproduced on the monitor screen after a shot is taken - the slang term for which is ‘chimping'. But while chimping lets you check sharpness,