Optical Design | Schmidt-Cassegrain |
---|
Aperture (mm) | 235 mm (9.25 in) |
---|
Focal Length | 2350 mm (93 in) |
---|
Focal Ratio | 10 |
---|
Focal Length of Eyepiece 1 (mm) | 40 mm (1.57 in) |
---|
Magnification of Eyepiece 1 | 59 x |
---|
Finderscope | 8x50 Finderscope with quick release bracket |
---|
Star Diagonal | 1.25 |
---|
Mount Type | Dual Fork Arm |
---|
Accessory Tray | Leg Brace / Eyepiece holder |
---|
Tripod | Heavy Duty Steel Adjustable |
---|
Power Requirements | Car battery adapter |
---|
Highest Useful Magnification | 555 x |
---|
Lowest Useful Magnification | 34 x |
---|
Limiting Stellar Magnitude | 14.4 |
---|
Resolution (Rayleigh) | 0.59 arc seconds |
---|
Resolution (Dawes) | 0.49 arc seconds |
---|
Light Gathering Power (Compared to human eye) | 1127 x |
---|
Apparent Field of View | 0.7 ø |
---|
Linear Field of View (@1000 yds) | 38 ft (12 m) |
---|
Secondary Mirror Obstruction | 3.35 in (85 mm) |
---|
Secondary Mirror Obstruction by Area | 13 % |
---|
Secondary Mirror Obstruction by Diameter | 36 % |
---|
Optical Coatings | Starbright XLT Coating |
---|
Total Telescope Kit Weight | 58 lbs (26 kg) |
---|
Tracking Rates | Sidereal, Solar and Lunar |
---|
Tracking Modes | Altazimuth, EQ North and EQ South |
---|
Alignment Procedures | SkyAlign, Auto Two-Star Alignment, Two-star Align, SolarSystem Align, EQ North Align, EQ South Align, One-Star Align |
---|
Periodic Error Correction | Permanently Programmable |
---|
Communication Ports | RS-232 communication port on hand control |
---|
Computer Hand Control | Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons |
---|
GPS | Internal 16 channel |
---|
Database | 40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects |
---|