“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 ...

In our guide to camera types, we’re going back to basics. If choosing your first camera, it can be difficult to know where to start, as the options vary wildly. It’s easy to feel inundated with specs ...

I've been a professional photographer for over a decade, shooting everything from editorial photo stories, to product photography and landscape, travel and street photography in my personal work. In ...