Many of us remember the blue tube Coulter Optical Dobsonian telescopes, the first of which contained a 13.1-inch primary mirror. Soon, amateur telescope makers and companies began producing larger ...

Today, Dobsonian telescopes are still highly popular among amateur astronomers, and for good reason — they're simple to build, budget-friendly and they soak up a huge amount of light.

Teeter’s Telescopes’ 8-inch Solid Tube Series Dobsonian has a focal ratio of f/5.7. Black velvet lines the inside of the aluminum tube assembly.

When I set out to build a portable telescope, known as a Dobsonian telescope, the first step had me stymied—where do you find 6 ft of 8-in.-dia cardboard tubing?. I'm a physicist by training, an ...

An easy-to-use 'light bucket', the Celestron StarSense Explorer 8-inch Dobsonian telescope finds its targets using just your smartphone. Here's our review. T3. Smarter living since 1996.

I have no interest in star gazing, but got totally engrossed in a book on constructing Dobsonian telescopes, leant to me by a friend.Essentially, a bunch of amateurs have used sound engineering ...

The amateur astronomy world got a tremendous boost during the 1960s when John Dobson invented what is now called the Dobsonian telescope. Made from commonly-sourced materials and mechanically much … ...

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.

Reflecting telescope made in the 1980s as part of the "Dobsonian revolution" in amateur astronomy. John Dobson began developing this form in 1956. At the time he was living in a monastery in San ...