Antennas receive and transmit electromagnetic waves, delivering information to our radios, televisions, cellphones and more.

Abstract: A terahertz gradient-index (GRIN) dual-polarized lens with wide-angle beam-steering is designed in this paper. A novel gradient-index distribution is designed by superimposing the refractive ...

If you have frames you love but lenses that are scratched or an old prescription, online services can help with shipping kits or pre-paid labels that allow you to mail in your glasses, get the ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...

From the Composer Pro II to the Sweet 50, these are the best housing and lens options. Leica, Panasonic, and Sigma full-frame mirrorless cameras share a common lens system, the L-mount.

The best camera lens cleaners are essential purchases for any keen photographer. After all, if you have a lens for a few years, at some point you're going to need to clean it properly, if only to get ...

Polarized lenses have a special coating designed to decrease glare, reducing eye strain. Polarization is especially helpful if you’re trying to see fish, read water conditions, or recreating in bright ...

Welcome to our Independent Lens Brand Book. We’re excited and grateful that you’re here to explore it. With your help, we can keep the Independent Lens brand vital and strong. Now, if you’re ...

Here’s how it works. The best iPhone lenses can quickly boost the quality of your smartphone photos and videos. Both the new iPhone 16 Pro models feature 5x telephoto lenses, while older iPhone ...

The best lenses for astrophotography are just what you need to taking stunning shots of February's planetary parade or March's blood moon, a breathtaking total lunar eclipse. Want to get the best ...

But what are the best lenses for the Sony A7S III? In drawing up our list we’ve taken a few key factors into account. One is that this camera is likely to be used principally for video, so we’ve ...

Laboratory of Advanced Optoelectronic Materials, Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, State and Local Joint Engineering Laboratory for Novel Functional ...