Depth of Field

Depth of field is the distance between the nearest and the furthest objects that give an image judged to be in focus in a camera. There can be a high depth of field and a low/shallow depth of field. In high depth of field the picture is clear and nothing in the back ground is blurred. In shallow depth of field the background blurred and one thing is in focus.

 This is low/shallow depth of field.

This is high depth of field.