At its core, the Seestar S50 is a modest refractor telescope ... It also produces 6.2-megapixel images. An expensive step-up option would be the Unistellar Odyssey Pro, a 3.4-inch/85 mm reflector ...

One of the most competitive segments in the amateur telescope ... this refractor also includes mechanical features valued by visual observers and imagers. The dual-speed 2.5-inch rack-and-pinion ...

Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

There are two basic types of telescope: refractors and reflectors. A refractor uses lenses to refract ... Majumder, Menon and their team designed a 100mm (4-inch) flat lens, where microscopic ...

Spot wildlife on nature walks and stargaze at stunning dark skies with a highly portable monocular — the perfect, lightweight ...

The best telescopes allow you to observe the night sky in more detail. The best telescopes unlock the wonders of the night sky right from your backyard and beyond. Bring the Moon and planets into ...

It attaches easily to the scope without other adapters. The latest offering in William Optics’ Cat line is the RedCat 91 refractor. It is a five-element Petzval design including three super ...

NASA’s newest space telescope rocketed toward orbit Tuesday to map the entire sky like never before — a sweeping look at hundreds of millions of galaxies and their shared cosmic glow since the ...