When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. One of the best ways to deal with a distracting background is to set up your shot so that the ...

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 ...

“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 ...

Researchers have developed a new method for flexibly creating various needle-shaped laser beams. These long, narrow beams can be used to improve optical coherence tomography (OCT), a noninvasive and ...

Please provide your email address to receive an email when new articles are posted on . A diffractive extended depth of focus IOL helped improve visual acuity at 3 months after bilateral implantation, ...

Needle-shaped laser beams (NBs) featuring a long and narrow localization of photons can potentially allow non-diffracting pulses with undistorted temporal profiles. Using this kind of pulse in ...

A flat lens that allows a camera's focus to be maintained for objects separated by distances of up to six meters could offer benefits to smartphones and mobile devices, including the potential removal ...

Photos can pop when one area is in sharp focus and the other blurry, providing the impression of depth in a two-dimensional image that matches how our eyes focus on objects, even though we don’t ...

Please provide your email address to receive an email when new articles are posted on . KIAWAH ISLAND, S.C. — Patients implanted with a diffractive extended depth of focus IOL containing a violet ...