There is big news in the APS-C mirrorless camera world today as Sigma has just announced the successor to one of the ...

The Laowa 8-15mm f/2.8 FF Zoom Fisheye covers all the bases for various full-frame mirrorless cameras, working as both a ...

We consulted eye doctors to find out what you need to know about caring for your contacts and when to replace them.

Physicists have developed a lens with 'magic' properties. Ultra-thin, it can transform infrared light into visible light by halving the wavelength of incident light.

They are flat, perform in the same way as normal lenses and are not only 40 times thinner than an average human hair but also lightweight as they do not need to be made of glass. A special metasurface ...

Physicists at ETH Zurich have developed a lens that can transform infrared light into visible light by halving the wavelength ...

They are flat, perform in the same way as normal lenses and are not only 40 times thinner than an average human hair but also lightweight as they do not need to be made of glass. A special ...

And the infrared lenses work even better with closed eyes, because the infrared light can easily penetrate the eyelids and image generation is not disturbed by normal visible light. Several animal ...

So far, the lenses have only been tested on a small group of individuals in China, all with normal vision. Han said the researchers now need to test them in a more diverse population, including ...

This week, Xue and colleagues introduced contact lenses that convert near-infrared light into visible light. They’re like normal contact lenses in size and shape and don’t require external power.

Reasonable price Lenses are expensive, but these days you can get excellent optical quality for well under $1,500, so that was our limit. The best wide-aperture normal prime lens: Viltrox 27mm f/1 ...