“In optics, there was a problem,” says Amit Agrawal, a physicist at the National Institute of Standards and Technology in Gaithersburg, Md. If you wanted to focus a single lens to two different points ...

For more than a hundred years, cameras have shared a frustrating limitation with human eyes: they can only focus on one ...

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 ...

A new trilobite-like camera lens has been developed, and it offers a feature that is not yet integrated into the mainstream camera devices, such as DSLRs and video cams developed by Sony, Nikon, and ...

For as long as cameras have existed, they've had a fundamental limitation: they can only focus on one depth plane at a time, and everything in front of or behind that plane gets blurred. That's simply ...