ISO & White balance
In Digital Photography ISO measures the sensitivity of the image sensor. The same principles apply as in film photography , the lower the number the less sensitive your camera is to light and the finer the grain by choosing a higher ISO you can use a faster shutter speed to freeze the movement.

The colour balance on a digital camera. For example 600k is the power setting for this lighting environment . the images below illustrate how different white balance settings impact the final image colour. Poor white balance means a practically ruined photograph .

The colour balance on a digital camera. For example 600k is the power setting for this lighting environment . the images below illustrate how different white balance settings impact the final image colour. Poor white balance means a practically ruined photograph .
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