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 ...

Roland Denning on what exactly is meant when we say a lens is 'standard' and why that meaning may be rather more fluid than many would like to admit. This might seem a simple question, but what is a ...

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.

Cinematographer Newton Thomas Sigel takes us through the differences between wide-angle, normal and telephoto lenses. He explains the science of each lens using examples from “Bohemian Rhapsody,” ...

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 ...

Lenses are used to bend and focus light. Normal lenses rely on their curved shape to achieve this effect, but physicists have made a flat lens of only three atoms thick which relies on quantum effects ...

When you use DPReview links to buy products, the site may earn a commission. TTArtisan has announced the AF 40mm F2, a 'normal' focal-length prime for full-frame Sony E and Nikon Z mount cameras. It's ...

Just get any AF-D lens; the D60 can't auto focus with the screw driven lenses (AF or AF-D), but can meter with them and all the camera modes are available. The Nifty Fifty (50mm f/1.8 AF-D) comes to ...