Step 5: Adjusting the Data 33
Digital Photo Print Guide
There are plenty of mid level components, and they are distributed evenly.
Of course, just because levels are distributed at both ends the data does not necessarily indicate a poor
photo. These parts may be necessary to get the atmosphere that you want after adjusting the image.
Conversely, if the levels are concentrated in the middle and there is no distribution at either end, the
photo will lack character.
When some adjustment is made in the Levels dialog box, the number of the gradation will be decreased
accordingly because it is re-composed in the range of 0 to 255, and then the histogram will be as shown
below. White lines show the lost gradation; however, it is okay as long as the adjusted image looks
satisfactory.
A good example with no loss of level
An example of histogram after Levels adjustment
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