The Sky-Watcher Traditional Dobsonian Telescope 203mm/1200mm (8") has a "paraboloidal" primary mirror to eliminate spherical aberration and a four-arm, secondary- mirror bracket with fine supports (0.5mm thick), to reduce diffraction spikes and light loss. The 6” Dobsonian has a 153 mm aperture, long 1200 mm focal length, and mid-range f/8 focal ratio. Its large parabolic primary mirror is highly reflective and corrects spherical aberration to eliminate distortion across the entire field of view, especially at the edges. Sporting the large light bucket users have come to expect from a Dobsonian, the Sky-Watcher 6" f/8 Traditional Dobsonian Telescope gives users performance at a reasonable price. The Sky-Watcher Classic Dobsonian Telescope has an 6" mirror diameter with a focal length of 1200mm and aperture of f/8. The Sky-Watcher Traditional Dobsonian Telescope 153mm/1200mm (6″) has a “paraboloidal” primary mirror to eliminate spherical aberration and a four-arm, secondary- mirror bracket with fine supports (0.5mm thick), to reduce diffraction spikes and light loss. The Sky-Watcher 6" ( 152mm) Dobsonian is a large aperture newtonian reflector telescope with a focal length of 1200mm and a f/8 focal ratio which makes it ideal for wide field and deep-sky observation. The Sky-Watcher breaks down into two components - a 48" long 15 pound optical tube and a 20 pound wooden rocker box altazimuth base. Sporting the large light bucket users have come to expect from a Dobsonian, the Sky-Watcher 6" f/8 Traditional Dobsonian Telescope gives users performance at a reasonable price. It comes with a 2" focuser and a 1.25" adapter, allowing the use of either eyepiece sizes. Its large parabolic primary mirror is highly reflective and corrects spherical aberration to eliminate distortion across the entire field of view, especially at the edges. The Sky-Watcher Traditional Dobsonian Telescope 153mm/1200mm (6") has a "paraboloidal" primary mirror to eliminate spherical aberration and a four-arm, secondary- mirror bracket with fine supports (0.5mm thick), to reduce diffraction spikes and light loss. The 6" Sky-Watcher Dobsonian is easy to get to your favorite observing site, too, whether that be your own back yard or a dark sky site miles out of town. This model includes the new feature-tension control handle which allows the user to change the settings and move the mount with minimal pulsation. Its specs lend itself to a variety of all types of celestial viewing. Overall the SkyWatcher 6″ traditional dobsonian is arguably the best 6 inch device in it’s price bracket and one of if not the best device within the $300 price range. Yeah it has a few shortcomings but, for the price I’m sure the majority of beginner level telescope users can look past it.