A Guide to Buying a Dobsonian Telescope
Friday, July 23rd, 2010What is usually a Dobsonian telescope and why is it so different? This sort of scope was invented by John Dobson and introduced towards globe in the 1970’s. The tube assembly is exactly the same like a typical Newtonian scope but it varies radically from the mount assembly. Instead of an equatorial mount (that is costly and awkward to make [...]