This Classic 6-inch Dobsonian from Guan Sheng Optics offers high optical performance at a low price. The optical and mechanical quality are without any compromises. This dobsonian is a wonderful beginner telescope.

This telescope is easy operable wth its alt-azimuthal Dobsonian mount. The crisp and contrasty image definition on the other hand will also convince experienced astronomers. Sharpness and image definition are on par with a 120 mm apochromatic refractor costing 6x more. The steel secondary spider vanes are very thin for nearly no diffraction effects.

The telescope is also good for deep-sky. With 6" aperture, you have 78% more light gathering power compared with a standard 4.5" Newtonian. Objects are shown therefore brighter.
  • High quality parabolic optic with 152 mm diameter and 1200 mm focal length.
  • 94% enhanced coating for a brighter image.
  • Very small secondary mirror improves image quality further.
  • Precise 1.25" Crayford focuser for comfortable focusing - ready for 1.25" and T2 accessories.
  • Solid Steel Tube and adjustable mirror cells for perfect collimation and good images.
What's In The Box
  • GSO Dobsonian Telescope
  • Rockerbox - Azimutal Dobsonian Base
  • Crayford Focuser
  • 6x30 finder with Achromatic Objective
  • 25 mm 1.25" Super Plössl Eyepiece
  • 9 mm 1.25" Super Plössl Eyepiece
  • Collimation Tool
  • Eyepiece Accessories Tray





Country of Manufacturing:    TAIWAN
Optical Design:        Newtonian Reflecing Telescope
Primary Mirror:    6 inch Parabolic 1/12 wave. Precisely figured parabolic mirror - diffraction limited / BK7. 94% enhanced coating
Diameter:    150mm
Focal Length:    1200mm
Focal Ratio:    F/8
Highest Practical Power:    360
Faintest Steller Magnitude:    13.7
Resolving Power:    0.74 Arc - Seconds.
Focuser diameter:    1.25" Precission Crayford style focuser".
Eyepiece Standard 1.25":    Premium Plossl 25mm (1.25") 52° field.
Eyepiece Standard 1.25":    Premium Plossl 9mm (1.25") 52° field.
Magnification with eyepiece:    48x & 133.3x
Magnification with eyepiece:    40x
Finder:        6x30mm Fully multi-coated achromatic finder
Mount type:    DOBSONIAN- wooden base.
Mirror Cell:    3 points mirror cell
Accessories Tray:    Eyepieces tray
Total Height:    52 inch
Tube length:    45.25 inch
Stand height:    27 inch
Base diameter:    20 inch
Shipping Weight:    Tube : Net weight - 9 Kg / Gross weight: 11 Kg
            Stand: Net weight - 12Kg / Gross weight: 14 Kg
Shipping Carton Dimension:    Tube : 32 x 40 x 128 cm3
                Stand: 14 x 64 x 64 cm3

GSO 6inch Night Watch Dobsonian

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