The Sigma 17-40mm F1.8 DC Art zoom lens brings full-frame background blur to APS-C cameras to satisfy shutterbugs who chase subject isolation or make images in dark environments.

Contact lenses have enabled people to see beyond the visible light range, picking up flickers of infrared light even in the dark – or with their eyes closed.

Many cameras for sale these days have more than one camera on the back. What's the point of having multiple lenses and how do they all work together?

For advanced production and material processing industries Edmund Optics has developed a range of off-the-shelf Sapphire Aspheric Lenses. The lenses are designed specifically for demanding high-power ...

Smith adds brightness-adjusting photochromic lenses to their contrast and color-boosting Chromapop line including the Smith Shift XL Mag lenses.

With orders backed up and demand high for the Range Rover Sport SV SUV, the brand has decided to issue four special new designs under the "Edition Two" this year.

However, if you'll need eyewear for driving or extensive time in colder climates, you may end up with prescription sunglasses even if you go with transition lenses.

Aspheric lenses are thinner, flatter lenses for glasses. Learn about how they work and the pros and cons of wearing aspheric lenses.

A pilot study in ACS’ Environmental Science & Technology found that contact lenses exposed to sunlight over time can shed tiny fragments of plastic, though the health impact is unclear.