* Astronomy

The Sky-Watcher Dobsonian Telescope 203mm/1200mm (8") hase 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. In addition, this model include a 2" focuser with a 1.25" adapter, allowing the use of either eyepiece size.

Specifications:
Optical Design                       Newtonian (Parabolic)
Lens Material   
Diameter                               203mm
Focal Length    1200mm
Secondary Mirror Diameter    47mm
F/ratio                                    F/5.9
Highest Practical Power         406x
Faintest Stellar Magnitude    14.2
Resolving Power                    0.56
Finderscope                           9x50
Focuser diameter                   2" with 1.25" adapter
Diagonal   
Eyepiece(s)                           1.25" Super 25 and 10
Mount Type                           Dobsonian
Slow-motion Control   
Counterweight(s)   
Piggyback Bracket   
Accessory Tray   
Ground Board Diameter         52cm
Ground Board Weight(s)   
Motor Drive   
Go-to   
Tube Weight                         7.98Kgs

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