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.
It has aso a cooling fan to reduce cooling time of the main mirror.
|Area of application||, Astrophotography, Nebulae & Galaxies, Sun (only with suitable solar filter), Moon & Planets|
|Recommended for||Experienced amateurs|
|Aperture (mm)||250 mm|
|Focal length (mm)||1250 mm|
|Resolving Power (theoretical)||0.55 arcsec|
|Magnitude limit (theoretical)||14|
|Light gathering capacity (in relation to human eye)||1276x|
|Tube length (mm)||121 cm|
|Tube weight (kg)||15.5 kg|
|Type of build||Crayford|
|Fine focuser||Yes (10:1)|
|Type of build||Alt-Az|
|1.25'' eyepieces||9 mm, Plossl|
|2'' eyepieces||30 mm, Superview|
|Finder scope||8x50 Achromatic|
|Other accessories||Moon filter, 2" Eyepieces tray|