Getting things out of focus—on purpose—takes a lot of work ... controlling depth of field is to control the f-stop of the lens. And that is true enough. A wide-open aperture results in ...

Getting light to hit our retinas depends on different parts of the eye working together. First, the light goes through the ...

A University of Utah team have a working prototype of a new twist on fluid-filled lenses for correction ... far objects and near objects are seen out of focus, respectively) also suffer from ...

These are our highest-rated lenses for a range of shooting conditions. Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given ...

It’s straight out of a television show ... another process would work with the light entering the lens to “focus” on that object. We already have contact lenses that contain more than ...

The best lenses for astrophotography are just what you ... Want to get the best out of your camera? Are you itching to capture spectacular cosmic events like the total lunar eclipse, or 'blood ...