Depth of FieldJosh Sampson

F-Stop 4This picture has a shallow depth of field, therefore the background is out of focus.

F-Stop 7.1

F-Stop 9As the f-stop gradually increases, so does the focus of the background.

F-Stop 11

F-Stop 16

F-Stop 25 This picture has a greater depth of field, therefore the the whole picture is in focus.