There are two type of focuses in depth of field: shallow and extensive. Both are categorized as depth of Field, however both are absolutely different. The first photo, on the left, shows an example of shallow depth of field. The image contains a focus which is presented sharp and clear, however the background, outside of the focus, is blurry. In the second photo, on the right, the focus and the background are presented clear and accurately. the second image is considered an extensive shot. Furthermore, both shots show two completely different ways of shooting depth of field.
