The GSO Dobsonian model serves a very clear purpose, to offer a large aperture and an excellent image quality at reasonable cost.
|What's In The Box|
|Country of Manufacturing||TAIWAN|
|Optical Design|| |
Newtonian Reflecing Telescope
|Primary Mirror||8 inch Parabolid 1/12 wave. |
Precisely figured parabolic mirror - diffraction limited / BK7
94% enhanced coating
|Focal Ratio||F/ 6|
|Highest Practical Power||480|
|Faintest Steller Magnitude||14.2|
|Resolving Power|| |
0.57 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||40x & 133.3x|
|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||52 inch|
|Tube Length||45.25 inch|
|Stand Height||27 inch|
|Base Diameter||20 inch|
|Shipping Weight||Tube : Net weight - 13 Kg / Gross weight: 15 Kg |
Stand: Net weight - 12Kg / Gross weight: 14 Kg
|Shipping Carton Dimension|| |
Tube : 32 x 40 x 128 cm3