Optical Design | Refractor |
Aperture | 102 mm (4.02 in) |
Focal Length | 660 mm (25.98 in) |
Focal Ratio |
6.47
|
Eyepiece 1 | 25 mm (0.98 in) |
Magnification 1 | 26 x |
Eyepiece 2 | 9 mm (0.35 in) |
Magnification 2 | 73 x |
Finderscope | StarPointer |
Star Diagonal | 1.25 |
Accessory Tray | No Tool, Quick release |
Tripod | Steel |
CD ROM | "The Sky®" Level 1 and NexStar Observers List (v2.6.4c)) |
Highest Useful Magnification | 241x |
Limiting Stella Magnitude | 12.5 |
Resolution (Rayleigh) | 1.37 arcsec |
Resolution (Dawes) | 1.15 arcsec |
Photographic Resolution |
308 line/mm
|
Light Gathering Power | 212 x |
Angular Field of View | 1.7 ° |
Linear Field of View (@1000 yds) | 91 ft (27.74 m) |
Optical Coatings | Multi-Coated |
Computer Hand Control | Fully Computerized / Flash Upgradeable |
Slew Speeds | Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, .5°/sec, 32x, 16x, 8x, 4x, 2x |
Tracking Rates | Sidereal, Solar and Lunar |
Tracking Modes | Alt-Az, EQ North and EQ South |
Alignment Procedures | SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align |
Database | 4,000 Object Database |
GPS | Optional CN-16 GPS Accessory |