The Sony FE 400-800mm F6.3-8 G OSS is a big but manageable telephoto zoom for wildlife photography, although a slow maximum aperture limits its potential for sports.

With superior optical excellence, is it worth lugging around this extra large 35mm lens? Amy Davies finds out more about it ...

A camera with a single small lens that cannot be adjusted to focus on objects at different distances. In order to have most objects appear in focus, a fixed-focus lens must be very small and have ...

The Viltrox 42-420mm Luna is perhaps the largest lens I have ever seen, and we got to get hands-on with it at The Photography ...

Laser Research CO2 Focusing Lenses come in plano-convex and meniscus configurations in 1" to 2" O.D. sizes with thicknesses ranging from 0.250" to 0.380" and can be supplied plain or mounted.

But the other two are surprisingly sophisticated; like Nilsson’s eyes, they have light-focusing lenses and can see images, albeit at lower resolution. Nilsson uses his eyes to, among other ...

We already have contact lenses that contain more than one prescription, enabling the wearer to adjust her focus depending on the distance from the object she is viewing—similar to bifocal or ...

Viltrox has announced that its highly regarded AF 135mm F1.8 Lab lens is now available for Nikon Z-mount. The lens was initially released last fall for E-mount, offering a much more affordable prime ...

For centuries, lenses have worked the same way: curved glass or plastic bending light to bring images into focus. But traditional lenses have a major drawback—the more powerful they need to be ...