“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 ...

China is playing catch up to Japan, but we could see new autofocus zoom lenses this year ...

A camera lens filter is pretty much what you’d expect: it’s a physical piece of glass that attaches to your camera’s lens, filters the light before it reaches the sensor and, typically, has an effect ...

The annual mobile trade show in Barcelona kicks off today, but just ahead of the event Xiaomi has shown off a prototype camera lens. I am, apparently, one of only two media members to get hands on the ...

There are few things as exciting for photographers as getting a new lens. Unfortunately, those metal-and-glass cylinders can get mighty pricey, especially if you want the latest and greatest models.