








Celestron NexStar 4 SE Maksutov-Cassegrain Computerized Telescope
Model: 11049








| Optical Design | Maksutov-Cassegrain |
|---|---|
| Aperture (mm) | 102 mm (4.02 in) |
| Focal Length | 1325 mm (52 in) |
| Focal Ratio | 13 |
| Focal Length of Eyepiece 1 (mm) | 25 mm (0.98 in) |
| Magnification of Eyepiece 1 | 53 x |
| Finderscope | StarPointer |
| Star Diagonal | Internal Flip mirror for straight thru or 90 viewing angle |
| Mount Type | Single Fork Arm Altazimuth |
| Tripod | Steel with built-in wedge |
| Power Requirements | 8-AA batteries (not included) |
| Highest Useful Magnification | 241 x |
| Lowest Useful Magnification | 15 x |
| Limiting Stellar Magnitude | 12.5 |
| Resolution (Rayleigh) | 1.37 arc seconds |
| Resolution (Dawes) | 1.14 arc seconds |
| Light Gathering Power | 212 x |
| Apparent Field of View | 1 degree |
| Linear Field of View (@1000 yds) | 53 ft (16 m) |
| Secondary Mirror Obstruction | 1.38 in (35 mm) |
| Secondary Mirror Obstruction by Diameter | 34% |
| Secondary Mirror Obstruction by Area | 12% |
| Optical Coatings | StarBright XLT |
| Optical Tube Length | 13.5 in (343 mm) |
| Total Telescope Kit Weight | 11 lbs (4.99 kg) |
| Tripod Weight | 10 lbs (4.54 kg) lbs (4.54 kg) |
| Slew Speeds | Nine slew speeds |
| 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, SolarSystem Align |
| Communication Ports | RS-232 communication port on hand control, Aux port, Camera Control port |
| Computer Hand Control | Double line, 16 character Liquid Crystal Display with 19 fiber optic backlit LED buttons |
| Database | 38,181 accessible objects |
| Warranty | 2-year Telescope Warranty |