تلسکوپ سلسترون NexStar4SE
تلسکوپ اشمیت کاسگرین 4 اینچ سلسترون همراه با سه پایه گوتو دار
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تلسکوپ 4 اینچ اشمیت کاسگرین سلسترون ، از سری نکس استار NexStar se
| Optical Design | Maksutov-Cassegrain |
|---|---|
| Aperture (mm) | 102 mm (4.02 in) |
| Focal Length (mm) | 1325 mm (52 in) |
| Focal Ratio | 13 |
| Eyepiece 1 (mm) | 25 mm (0.98 in) |
| Magnification 1 | 53 x |
| Finderscope | StarPointer |
| Star Diagonal | Internal Flip mirror for straight thru or 90 viewing angle |
| Mount | Single Fork Arm Altazimuth |
| Optical Tube | Aluminum |
| CD ROM | NexRemote V1.6.14 & "The Sky®" Level 1 |
| Other Equipment | Camera Shutter Cable |
| Tripod | Steel with built-in wedge |
| Power Supply | 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 |
| Angular Field of View (deg) | 1 ° |
| 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) |
| Telescope Weight | 11 lbs (4.99 kg) |
| Tripod and Mount Weight | 10 lbs (4.54 kg) |
| Payload Capacity | 10 lbs (4.54 kg) |
| Motor Drive | Integrated D.C. Electronics |
| Slew Speeds | Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, 64x, 16x, 8x, 4x, 1x, .5x |
| Tracking Rates | Sidereal, Solar and Lunar |
| Tracking Modes | Alt-Az, EQ North & EQ South |
| Software Features | Camera Control |
| Alignment Procedures | SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, SolarSystem Align |
| Software Precision | 24 bit, 0.08 arcsec calculations |
| 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 |
| Dovetail Compatibility | Quick Release Tube Clamp |
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