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  #1 written by Paul
  February 3, 2010 - 4:23 am

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  The point of this tutorial isn’t very clear to me; I think most people who own an SLR will also know how to set exposure compensation… the more important question, which goes unanswered here is: why should you use it? or what should you use it for..

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  #2 written by Sasi
  February 8, 2010 - 4:07 pm

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  Good point Paul, I was focusing on explaining the technical use of exposure compensation. You might be surprised how many SLR owners don’t know how to use the feature.

  As for your question, exposure compensation is often used to quickly tell your camera to lighten or darken the photo the camera would take otherwise without having to manually change shutter speed/aperture/iso yourself. Your camera will figure out what it needs to do to take a brighter/darker shot depending on the settings being used.

  For example, if you’re shooting in aperture priority mode (ie. you set aperture, camera figures out shutter speed), and you dial in +1 exposure compensation to make the photo brighter than the default, then the camera will reduce the one thing it can control – shutter speed to get the brighter photo. You yourself won’t need to figure out what exactly needs to be done.

  Thus it’s a fast way to fine tune photos quickly. Instead of checking the lightmeter, and then dialing in shutter speed/aperture etc. to get a brighter photo, you might take a shot, see that it is too dark, so you dial in +1ev exposure compensation, and take the next shot.

  Hope that helps.

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