Over the quarter century I’ve been writing this column, I've been flabbergasted by the advances in telescopes for backyard ...

Put simply, Maksutov-Cassegrain telescopes correct problems you might find in a reflector telescope, such as the 'coma' effect, where images appear blurred. They have sealed optics, so you don't ...

Thankfully, there are lots of entry-level telescopes on the market ... His instrument is a Celestron NexStar, a Schmidt-Cassegrain reflector with a 150-mm aperture, has a motorized altitude ...

This is a 1994 guide to the use of the most popular telescope in the world, the 20-cm (8-in) Schmidt-Cassegrain Telescope. This compact instrument revolutionized amateur astronomy and astrophotography ...

Reflector telescopes tend to have larger apertures ... You get two types of catadioptrics, the Schmidt-Cassegrain and the Maksutov-Cassegrain. As a general rule, the Maksutov-Cassegrain is better ...

Like our top pick, this Newtonian-style reflector telescope has a 5 ... The Celestron NexStar 5SE Computerized Telescope, a Schmidt-Cassegrain model, is our top pick due to its superior ease ...

Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.

Fisher said an added difficulty is that the observatory's 24-inch Cassegrain reflector research telescope is currently being ...

A variant of the reflector telescope, this Schmidt–Cassegrain has a 6-inch aperture, which means it lets a lot of light in. It’s got a focal length of 59”/1500mm, which for any given ...