The document instructs the reader to take 16 photographs of various outdoor and indoor scenes twice - once with a shallow depth of field so that the background is out of focus, and again with a deep depth of field so that everything is in focus. The reader must use a tripod, manual focus, and change the aperture between shots to receive full credit. They are to shoot pairs of each scene - one with shallow depth of field and one with deep depth of field where everything is in focus.