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

Scientists have developed an impossibly thin telescope lens that addresses a key astronomical challenge in a new study funded ...

The first telescopes used lenses, known as refracting telescopes ... "Once we optimized the design of the lens' microstructures, the manufacturing process involved required very stringent process ...

The first telescopes used lenses, known as refracting telescopes ... "Once we optimized the design of the lens' microstructures, the manufacturing process involved required very stringent process ...

Refractor telescopes are known for their sharp, high-contrast images. The Sky-Watcher Evostar 100ED stands out due to its apochromatic design, reducing color distortion. It’s perfect for planetary ...

Chinese scientists are working to set up the world's largest refracting telescope in Tibet Autonomous Region for observing stars and planets. Deputy Director of the regional department of science and ...

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 ...

The latest offering in William Optics’ Cat line is the RedCat 91 refractor. It is a five-element Petzval design including three super extra-low dispersion lenses and an internal focus design.

According to an article published by NASA on Wednesday, March 26, the Webb telescope “captured bright auroral activity on Neptune” for the very first time in June 2023. Despite “successful ...

It was soon realized that what was to become known as chromatic aberration was a limiting factor in refracting telescopes, and that this could be overcome by making lenses with longer focal length ...