Telescopes are specialist optical instruments that have been around for over 400 years and are useful for many applications including seafaring, military operations and especially stargazing. But not ...

The first telescopes, known as refracting telescopes, were built in the early 17th century by Dutch eyeglass makers. They employed a pair of lenses—one convex fitted at the end of the scope, and one ...

The article details the author's acquisition and experience with a Stellarvue SVX180T 180mm f/7 refracting telescope, highlighting its superior build quality, including a large baffled tube for ...

Save this article to read it later. Find this story in your account’s ‘Saved for Later’ section. Here at the Strategist, we like to think of ourselves as crazy (in the good way) about the stuff we buy ...

Looking Up is transcribed using a combination of AI speech recognition and human editors. It may contain errors. Please check the corresponding audio before quoting in print. Dean Regas: Edwin Hubble ...

THE Yerkes Observatory, which has recently been completed and inaugurated, contains in its instrumental equipment the largest refractor in the world, the diameter of the object-glass spanning 40 ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. You can build a refracting telescope, where the lens focuses the light, ...

The original instrument to occupy the 25-foot diameter dome was the 10.5-inch Bausch refracting telescope (f/15.5) installed in the brand new observatory in 1953. Bausch & Lomb Company gave the ...

For thousands of years, humans observed the stars with nothing but our own eyes. But eyes can only get us so far, and to see all the way to the ends of the universe we needed to invent some tools. The ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The first telescopes, known as refracting telescopes, were built in ...