Abstract: This communication presents an H-plane substrate integrated waveguide (SIW) horn antenna whose directivity is enhanced using holey unit cells along the horn ...

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Unistellar is cutting 20% off all of its smart telescopes and accessories, including the Odyssey Pro and the eQuinox 2 for the whole month of November, ahead of Black Friday on Nov. 28. Breaking space ...

Spotting scopes are an interesting category of sports optics, largely because they’re such a significant investment that most hunters and shooters buy them infrequently. Unlike a rifle scope or even a ...

Thermal monoculars and binoculars are among our most versatile night optics, and because they’re not tethered to a weapon, they certainly have many more use-cases than dedicated scopes. But the ...

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A 2″ eyepiece delivers a wider true field of view (the actual amount of sky visible) than a 1¼” eyepiece of the same focal length. Two factors determine the true field: the telescope’s focal length ...

Researchers from the University of Washington and MIT have developed a meta-optic eyepiece using a doublet system. One layer functions as an aperture and corrector plate, while the other serves as a ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

(Nanowerk News) Alongside advances in artificial intelligence and widespread availability of digital content, demand for augmented / virtual reality (AR / VR) near-eye displays has surged. There is ...

I realized the power of the best binoculars about eight years ago when I took up birdwatching and received a pair of Nikon Prostaff 3S bins as a Christmas gift. Outfitted with my new optic while on a ...