General Details:

- High quality 8" Dobsonian reflector
- BK7 optical quality glass for clear, sharp views
- Roller track bearing on azimuth surface provides dozens of support points for smooth swivel motion
- Variable tension clutch system for proper balance and smooth control in both altitude and azimuth
- Includes 1-1/4" 25mm Pl? eyepiece for wide field observing
- 9x50 finderscope for accurately locating objects
- Standard 2" focuser and 1.25" adapter

Technical Information:

OPTICAL DESIGN: Dobsonian
APERTURE: 203.2 mm (8 in)
FOCAL LENGTH: 1219 mm (47.99 in)
FOCAL RATIO: 6
FINDERSCOPE: 9x50
OPTICAL TUBE Steel
EYEPIECE 1: 25 mm (0.98 in)
MAGNIFICATION 1: 48.76 x
COLLIMATION CAP: Included
ACCESSORY TRAY: Included
FOCUSER: 2 in (50.8 mm)
PRIMARY MIRROR: BK7
MIRROR CELL: 3-point
AZIMUTH BEARING: Roller track
ALTITUDE BEARING: Nylon Cylinder
TENSION SYSTEM: Variable friction clutch
HANDLE: Base
HIGHEST USEFUL MAGNIFICATION: 480 x
LOWEST USEFUL MAGNIFICATION: 29 x
LIMITING STELLAR MAGNITUDE: 14
RESOLUTION: 0.68 arc seconds
RESOLVING POWER: 0.57 arc seconds
PHOTOGRAPHIC RESOLUTION: 333 line/mm
LIGHT GATHERING POWER: 843 x
ANGULAR FIELD OF VIEW: 1.03 °
LINEAR FIELD OF VIEW (@1000 YDS): 54.08 ft (16.48 m)
SECONDARY MIRROR OBSTRUCTION: 1.95 in (49.53 mm)
SECONDARY MIRROR OBSTRUCTION BY AREA: 5.94 %
SECONDARY MIRROR OBSTRUCTION BY DIAMETER: 24.38 %
OPTICAL TUBE LENGTH: 45 in (1143 mm)
TELESCOPE WEIGHT: 24kg