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Histograms

Understanding Histograms

Histograms on your digital camera or displayed on your computer shows the distribution of light in a photograph, the darks to the left and the highlights to the right, while everything else is in between.

The histogram is divided into 256 different values. The height of each part of the graph shows how much or how many pixels are displaying that value of light.

Your Camera’s Histogram: Explained

Therefore you end up with a distribution of values within your shot. So your histogram becomes an enhanced light sensor. Many light sensors will just give you an average of the histogram.

For example, if there was a high number of pixels displaying hard shadows such as a dark value of 5 and highlights of value 245, a camera’s light sensor would tell you that the light is somewhere around a value of 120. These two extremes are not the only settings that would get you a value of 120.

How to Easily Read a Camera’s Histogram

Many other settings could get you that average and have a camera in automatic, using that light sensor, give you the wrong settings. The histogram allows you to see exactly what light your camera is seeing, and then it is your responsibility to ensure that you are setting the exposure in order to get the right lighting.

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The “right lighting” is typically a good distribution across the spectrum, if you have all your histogram crammed into the left corner you will have a photo that is too dark, if the histogram is crammed to the right you will have an over exposed image.

Histogram displayed on a editing software.

The histogram tool in photo editing software will allow you to tweak the histogram or better to tweak the exposure of your image and see what those changes do to your histogram.

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Help us grow

Did you learn anything? Maybe consider giving a small donation 🙂

We’ll get straight to the point. To keep quality high, we work together with the best photographers in the world. As a company, we are spending a lot of money to give our writers a fair compensation. 

To stay online and become better in what we do, we depend on contributions and some products we sell. If everyone who enjoyed reading the above article gave just a little, we could keep Photographycourse.net thriving for years to come. The price of a cup of coffee is all we ask.

We know that most people will ignore this message. But if photographycourse.net is useful to you, please consider donating $2, $5, $10 or whatever you can to protect and sustain Photographycourse.net. 

Thanks,

Domien Van Eynde 

CEO Photographycourse.net

$
Select Payment Method
Personal Info

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This is a secure SSL encrypted payment.

Donation Total: $5.00

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