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GSO 10″ Pro Dobsonian (White)

50763 (Excluding Taxes)

“Optical Specifications:

10” (254mm) Newtonian Design
F/5 Focal Ratio
1250mm Focal Length
Enhanced Aluminum Coating, 94% Reflectivity
2” Dual Speed 1:10 Crayford Focuser With Tension Lock
1317X Light Gathering Power
36X Minimum Magnification
600X Maximum Magnification
0.46 Arc Second Resolution (Dawes Limit)
Central Obstruction : 25% Linear (6.3% By Area)
Diffraction Limited Optics (1/12 Wave RMS)
Magnification : Eyepiece 1 (30mm) : 42X
Magnification : Eyepiece 2 (9mm) : 139X
Dobsonian Mount Design With Altitude Tension Bearing System
Weight : Tube 18Kg Base 13 Kg
Total Weight : 31Kg
Tube Material : Metal
Base Material : Wood
Focuser : Aluminum Alloy

In the Box

10” F/5 Dobsonian Telescope
Mount Base
2” 30mm Superview Eyepiece
1.25” 9mm Plossl Eyepiece
8X50 Straight-Thru Finderscope
2” Dual Speed Crayford Focuser
2” To 1.25” Adapter With Brass Compression Ring
2” 35mm Extension Tube
1 Year Limited Warranty


“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.”


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