Depth of Field is a technique for drawing attention to a specific subject or area of the scene. It works by blurring parts of the scene that are nearer or farther than the focus distance.
Depth of field
Makes objects sharp or blurry
depending on their distance from the viewpoint.
Focus start
Starting distance of where the scene
will be in focus.
Focus range
How far the scene will remain in
focus after the focus start distance.
Blur amount
How blurry the out of focus areas
will be.
The following are examples with and without depth of
field.
Without depth of field:
With depth of field: