Simply put, a Dobsonian telescope is a type of large aperture Newtonian telescope design popularised by John Dobson back in the mid 1960s, and from whom it takes its name.

A classic Newtonian reflector design which Dobsonians are based upon. (Image credit: B&H Photo) The Newtonian reflecting telescope has been in use for centuries since its invention by Isaac Newton ...

Reflector telescopes—which include Dobsonian and Newtonian—use mirrors to reflect the light into focus. These bounce light back and forth in the optical tube, which allows for a shorter design.

This telescope has a 20-inch mirror and is based on the Newtonian-Dobsonian design, with one big, curved mirror that collects and focuses light, while a second, diagonal mirror reflects it to a ...

It features a Newtonian reflector optical design with a 130mm-aperture that lets you see the clouds around Jupiter and the moon’s ... Celestron-AstroMaster 130EQ-MD Newtonian Telescope $258.40 ...

This shot of the Pleiades (M45) — which comprises two hours of integration time taken with a 10-inch scope, Atik 16200 CCD, and Starizona’s Nexus 0.75x Newtonian Focal Reducer/Coma Corrector ...

For those new to telescopes, the Celestron 114LCM is a Newtonian reflecting telescope. ... It's a fairly simple design that has made Newtonian models popular with amateur telescope enthusiasts.

The manufacturer of this example is unknown, but the design is a faithful rendition of Porter’s design and instruments made on that design by John Pierce in the 1930s. Steve Smith, the donor, reported ...

We run through the jargon you need to know to make sense of the different types of telescope on the market. T3. Smarter living since 1996. US Edition Subscribe. ×. Search. Sign in. View ...