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 ...

Larger aperture telescopes show brighter, clearer images. Different telescope types (refractor, reflector, compound) offer various pros and cons regarding cost, maintenance, and image quality. A ...

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 ...

Sensitive equipment and historical artifacts — including the Mills spectrograph used in the observatory’s early days to measure the colors of light emitted by stars and galaxies — were wheeled out as ...

Refractor to reflector, Schmidt-Cassegrain to Maksutov-Cassegrain - this is everything you need to know about the different types of telescopes. When you purchase through links on our site, we may ...

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 ...

Astrophotography has shifted from a niche pursuit to a mainstream hobby, and the telescope you choose now matters as much as the camera you bolt onto it. The best instruments balance sharp optics, ...

This lightweight 2.7-inch/70mm achromatic refractor uses its relatively long length to produce natural-looking views of planets and the moon, but with anything else it’s underwhelming. It’s also ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Refracting telescope with a 3½ -inch ...