Using depth of field consciously is very important in terms of composition. If we can control the diaphragm and clarity, it is very easy to control the depth of field. In simple terms, the expression is called the clear visible field in the photo. If the net visible area is too high, the depth of field is high and if the net area visibility is low, the depth of field is shallow. For example, in our portrait shoots, we reduce the depth of our net area (Small F-value) to save our model from the complexity of the back plan, while in landscape-type shoots we increase the net depth of field (large F-value). This feature is preferable for portrait and macro photographs because the backplane will be in the foreground, the object or people we take will be in the foreground.