Stephen Shankland worked at CNET from 1998 to 2024 and wrote about processors, digital photography, AI, quantum computing, computer science, materials science, supercomputers, drones, browsers, 3D ...

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 ...

In photography, depth of field refers to how much of a three-dimensional space the camera can focus on at once. A shallow depth of field, for example, would keep the subject sharp but blur out much of ...

Replay: Today's large sensor cameras allow us much more control over depth of field than older, small sensor devices. Here's some tips on how to use depth of field as a creative tool. When DSLR video ...

The hottest new trend in photography is manipulating Depth of Field, or DOF. It’s how you get those wonderful portraits with the subject in focus and the background ever so artfully blurred out. In ...

One of the reasons to move up from a cellphone or point-and-shoot cameras to a DSLR or digital mirrorless one is the ability to exert control over your exposures with the latter. With cellphones or ...

As amateur photographers grow in skill and move to more sophisticated cameras, one of the challenges they face is learning how to control depth of field. Depth of field—the portion of a scene that ...

The area in an image from front to back that is in focus. The smaller the aperture (the larger the f-stop number), the more objects are in focus both near and distant. The wider the aperture (the ...