Depth of field Everything in this area appears in focus ... The principal focal point is the point where rays coming from a long distance converge. The distance between the principal focal ...

In both moving and still pictures, depth of field (DOF) is widely used to call attention or create feelings. By focusing on one element in the image and leaving the rest blurry, the audience is ...

Our approach to extending the depth of field utilizes the concept of point spread function (PSF) engineering to greatly increase the axial range clearly imaged in a single exposure. The basic concept ...

Deep focus (or deep depth of field, as we would call it today) was dependent on innovations in technology. Faster filmstock and powerful carbon arc lamps enabled Toland to shoot between f8 and f16 ...

There are lots of different filmmaking terms out there that get tossed around in articles and meetings. It can be hard to ...

No, I'm talking about the intentional things we photographers do to limit the depth of field in our pictures. Things we can do to make the backgrounds nice and soft, leaving just the subject in ...