The GSO Dobsonian line is particular model serves a very clear purpose, to offer a large aperture and an excellent image quality at reasonable cost.

Set-up is as easy as you can imagine very simple assembly with the rocker box and put it on the ground, insert the telescope tube and put the springs in position and you're ready to go to navigates through the night sky by simply moving the tube up or down, or side to side, by hand.

All GSO dobsonian use optical quality BK7 glass, cooling fans built into the rear cell to decrease cooling times, also all dobs use a roller bearing on the azimuth surface providing dozens of support points for smooth swivel motion. The deluxe model comes with 2" Micro 10:1 Crayford style focuser and 1.25" adapter.

What's In The Box
  • GSO Dobsonian Telescope with an ADVANCE ROCKER BASE
  • Cooling Fan behind the main mirror
  • 8x50 Finder with Achromatic Optics
  • 2" Crayford focuser - 1:10 micro - reduction from 2" to 1.25"
  • 30 mm 2" Wide Angle ERFLE with 70° field for good overfiew
  • 9 mm Premium Plössl - multicoated
  • 35mm 2" extension
  • Eyepiece and Accessory Tray for Eyepieces
  • Collimation Tool
  • Anti Vibration Pads


Country of Manufacturing TAIWAN

Optical Design

Newtonian reflecing Telescope

Primary Mirror 10 inch Paraboli 1/12 wave.
Precisely figured parabolic mirror - diffraction limited / BK7
94% enhanced coating



Focal Length 1250mm
Focal Ratio F/ 5
Highest Practical Power 600
Faintest Steller Magnitude 14.7

Resolving Power

0.46 Arc - Seconds.

Focuser diameter 2" Precission Micro 10:1 Crayford style focuser".
With 1.25” eyepiece adapter.

A Dual-Speed 10:1 ratio focuser is now included for excellent focusing precision. 
Eyepiece Standard 2" Premium Widefield SP 30mm (2")
68° field SuperView eyepiece with a wide 1.7° actual field of view that’s well over three times the diameter of the full Moon.
Eyepiece Standard 1.25"

Premium Plossl 9mm (1.25") 52° field.

Magnification with eyepiece 41.6x & 138.8x
Finder 8x50mm Fully multi-coated achromatic finder

Mount type

DOBSONIAN- wooden / with Roller Bearing wooden base / Clutch mount with tension knob

Mirror Cell

3 points mirror cell with cooling fan

Accessories Tray 2 inch Eyepieces tray
Mirror stabiliser Cooling fan for "thermal equilibrium"
Battery-operated primary mirror cooling fan
Total Height 55 inch
Tube length 48 inch
Stand height 25 inch
Base diameter 22 inch
Shipping Weight Tube : Net weight - 18 Kg / Gross weight: 20 Kg
Stand: Net weight - 13Kg / Gross weight: 15 Kg

Shipping Carton Dimension

Tube : 46 x 48 x 140 cm3
Stand: 14 x 64 x 65 cm3

GSO PRO-Dobsonian Telescopes - 10 inch

Taxes Included