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GSO 8″ Pro Dobsonian (White)

38983 (Excluding Taxes)

“Optical Specifications

8” (203.2mm) Newtonian Design
F/6 Focal Ratio
1200mm Focal Length
0.5mm Spider Vane Support
Strehl Ratio > 0.95
Enhanced Aluminium Coating, 94% Reflectivity
Quartz Overcoated
2” Dual Speed 1:10 Caryford Focuser
843X Light Gathering Power
29X Minimum Magnification
480X Maximum Magnification
0.57 Arc Second Resolution (Dawes Limit)
Central Obstruction : 25% Linear (6.3% By Area)
Diffraction Limited Optics (1/12 Wave RMS Precision)
Magnification : Eyepiece 1 (30mm) : 40X
Magnification : Eyepiece 2 (9mm) : 133.3X
Dobsonian Mount Design With Spring Tension System
Weight : Tube 13Kg Base 12 Kg
Tube Material : Metal
Base Material : Wood

In the Box

8” F/6 Deluxe Dobsonian Telescope
Mount Base
2” 30mm Superview Eyepiece
1.25” 9mm Super Plossl Eyepiece
8X50 Finderscope
2” Focuser Extension 35mm
2” To 1.25” Brass Compression Ring
1 Year Limited Warranty

Description

“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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