Fitur Telescope / Teropong Bintang Nexstar 8 SE:
Optical Design | Schmidt-Cassegrain |
Aperture (mm) | 203.2 mm (8 in) |
Focal Length (mm) | 2032 mm (80 in) |
Focal Ratio | 10 |
Eyepiece 1 (mm) | 25 mm (0.98 in) |
Magnification 1 | 81 x |
Finderscope | StarPointer |
Star Diagonal | 1.25 inch |
Mount | Single Fork Arm Altazimuth |
Optical Tube | Aluminum |
Tripod | Steel (sku 93593) |
Power Supply | 8-AA batteries (not included) |
Highest Useful Magnification | 480 x |
Lowest Useful Magnification | 29 x |
Limiting Stellar Magnitude | 14 |
Resolution (Rayleigh) | 0.69 arc seconds |
Resolution (Dawes) | 0.57 arc seconds |
Light Gathering Power | 843 x |
Angular Field of View (deg) | 0.63 degree |
Linear Field of View (@1000 yds) | 33 ft (10 m) |
Secondary Mirror Obstruction | 2.5 in (64 mm) |
Secondary Mirror Obstruction by Diameter | 31 percent |
Secondary Mirror Obstruction by Area | 9.77 percent |
Optical Coatings | Starbright XLT |
Optical Tube Length | 17 in (432 mm) |
Dovetail Compatibility | Quick Release Tube Clamp |
Tripod Weight | 9 lbs (4.08 kg) |
Payload Capacity | 12 lbs (5.44 kg) |
Motor Drive | Integrated D.C. Electronics |
Slew Speeds | Nine slew speeds: 5 degree/sec, 3 degree/sec, 1 degree/sec, 64x, 16x, 8x, 4x, 1x, .5x |
Tracking Rates | Sidereal, Solar and Lunar |
Tracking Modes | Alt-Az, EQ North & EQ South |
Alignment Procedures | SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align |
Software Precision | 24 bit, 0.08 arcsec calculations |
Communication Ports | RS-232 communication port on hand control, Autoguider port, Aux port |
Computer Hand Control | Double line, 16 character Liquid Crystal Display with 19 fiber optic backlit LED buttons |
Database | 40,000 objects, 200 user defined programmable objects. Enhanced information on over 200 objects |
Telescope Weight | 24 lbs (11 kg) |