Explore Scientific 8 Dobsonian Telescope Parabolic
Product Description
A large aperture Classic Dobsonian reflector telescope at a very affordable price! 8″ diameter reflector optics lets you view the Moon and planets in close up detail, and has enough light grasp to pull in pleasing views of faint nebulas, galaxies and star clusters A perfect Dobsonian telescope that can last a lifetime for the beginning astronomy enthusiast or whole family The ultra-stable Dobsonian base keeps the reflector optical tube perfectly balanced for point-and-view ease of use Includes a 2″ Crayford focuser that accepts 1.25″ and 2″ telescope eyepieces, a 25mm Sirius Plossl eyepiece, an red dot finder
Specifications
Best for viewing Brighter deep sky
Best for imaging Lunar & planetary
Optical design Reflector
Optical diameter 203mm
Focal length 1200mm
Focal ratio f/5.9
Optics type Parabolic
Glass material Low thermal expansion borosilicate glass
Eyepieces Sirius Plossl 25.0mm (1.25″)
Magnification with included eyepieces 48x
Resolving power 0.57arc*sec
Lowest useful magnification 29x
Highest useful magnification 300x
Highest theoretical magnification 406x
Limiting stellar magnitude 14.2
Optical quality Diffraction limited
Red dot finder
Focuser 2″ Crayford
Secondary mirror obstruction 47mm
Secondary mirror obstruction by diameter 23%
Secondary mirror obstruction by area 5%
Mirror coatings/over-coatings Aluminum & Silicon Dioxide
Mount type Dobsonian
Astro-imaging capability Lunar & planetary
Computerized compatibility Not compatible
Bearing material PTFE and UHMW bearings
Tube material Steel
Tripod material Wood
Length of optical tube 46.5 in.
Weight, optical tube 20.3 lbs.
Weight, mount/tripod 20.7 lbs.
Weight, fully assembled 41.0 lbs.
Other features CorrecTension system, 2″ Focuser, 1.25″ eyepiece adapter
Warranty One year
In the Box Classic Dobsonian Reflector Telescope Optical Tube Assembly, 25mm Plossl telescope eyepiece (1.25″),
Red dot finder,
Dust cap, 2″ Crayford-style focuser, 2″-to-1.25″ telescope eyepiece adapter, Spring coils, Pull loops, Nylon spacers, 1/4″ washers, Phillips-head screws, Screws with round knob attached, Left panel, Right panel, Front brace, Top base plate, Ground base plate, Base assembly screws.
