Histograms are a graphic representation of the tones recorded in an image. Sounds complicated but I promise it isn’t. They’re a very useful tool for checking your exposures because you can’t always rely on your camera’s LCD.

Histograms work brilliantly in conjunction with your camera’s highlight warnings which flash on and off on areas where the image is overexposed and there’s no detail recorded. There will be times when your camera makes the wrong exposure (http://www.photographycourses.biz/wrong_exposure.html) because it thinks the world is grey and that’s how it make the exposure. But if the scene you’re shooting isn’t mid grey it’ll probably get it wrong. And the histogram will help you sort that out.

In this vid we’ll explain histograms – what they mean and how to read them.

Mike Browne

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