Dobsonian Telescopes

Apparatus; Collision Ball; Newtonian; 8-3/4 H x 7-1/4 W x 9-1/4 in. L; 1 in. Dia; Walnut-Stained Wood Frame; Five Elastic Nickel-Plated Steel Balls; Fully assembled; Read Full Story

The Dobsonian Telescope (or Dob) is credited to John Dobson who first started using them in the 1950s in an attempt to bring astronomy to the public. The Dob is essentially just a Newtonian Reflecting Telescope tube mounted on an inexpensive mount (called an alt-azimuth mount) which holds the tube like a cannon, allowing it to easily swivel up-down and left-right. The Dobsonian therefore shares many of the good/bad points of the Reflecting Telescope (click on the link for more information... Read Full Story

rating: 4/5 by: Epinions Author Pirich - The writers of this book are the successful manufacturers of the Obsession series telescopes, www.obsessiontelescopes.com. Their larger models are among the largest telescopes owned by individual people. In an unusual move, the authors have gone ahead... Read Full Story

This is our group blog, which is unique because any Zimbio member can post an entry to it. Some members blog about recent news and trends related to the portal topic, others recount relevant personal stories. You can also comment on and rate existing blog entries, to voice your opinion and to help the community identify which members and entries on the portal are must-reads. Got an interesting idea or story to share with other members of this portal? Well, then put on your journalist's cap... Read Full Story

Apparatus; Collision Ball; Newtonian; 8-3/4 H x 7-1/4 W x 9-1/4 in. L; 1 in. Dia; Walnut-Stained Wood Frame; Five Elastic Nickel-Plated Steel Balls; Fully assembled; Read Full Story