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 ...

I'm often asked to recommend a telescope, especially around the holidays, when gift-giving is on our minds. Today I'll share a few suggestions, but before we talk specifics, let's look at the ...

As smartphone cameras improve, more people want to take photographs of the night sky with their smartphones. However, serious astrophotographers attach powerful, digital single-lens reflex (DSLR) ...

Stargazing can be fascinating, but the constellations remain just pinpoints of light, even for powerful telescopes. The planets, on the other hand, provide alien landscapes to explore, and, for many, ...

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Early telescope makers, such as John Dollond, patented and commercially produced achromatic refracting telescopes, significantly improving upon earlier designs by reducing color fringing. Henry Fitz ...

Getting your first telescope should feel exciting, not frustrating. If I avoid a few common beginner mistakes, I can turn ...

Sir Isaac Newton once wrote, in what must be one of the most oft-quoted lines in the history of science, "If I have seen further it is by standing upon the shoulders of giants." Well, any of us who ...