Add Yahoo as a preferred source to see more of our stories on Google. But the concept of “normal vision,” let alone the 50-mm lens’s ability to reproduce it, is hardly a given. The idea that a 50-mm ...

Interchangeable lens cameras, or cameras that let you swap out lenses, can unlock a lot of opportunities and new creative control for your photography. That's because different focal lengths (offering ...

We are used to conventions in filmmaking. But is adhering to them holding you back? Neil Oseman gives reason to think much more about the lenses you are using. Are you choosing the right lens for ...

If you can't read the street sign, just wink your right eye and zoom in. A pioneering pair of contact lenses may soon be a reality for a research team from the Swiss Federal Institute of Technology.