Celestron NexStar 4SE Catadioptric Telescope
Includes the following:
Celestron NexStar 4 SE 4"/102mm telescope, optical tube assembly, E-Lux 25.0mm 1.25" eyepiece, star pointer finderscope, computerized altazimuth mount with handset, tripod with accessory tray, The Sky CD ROM software for Windows, Nex Remote control software CD, RS232 cable.
1325mm f/13 Maksutov-Cassegrain
Motorized Altazimuth Mount
- 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 (Compared to human eye): 212 x
- Apparent Field of View : 1 °
- Linear Field of View (@1000 yds): 53 ft (16 m)
- Secondary Mirror Obstruction: 1.38 in (35 mm)
- Secondary Mirror Obstruction by Area: 12 %
- Secondary Mirror Obstruction by Diameter: 34 %
- Optical Coatings; StarBright XLT
- Optical Tube Length: 13.5 in (343 mm)
- Tripod Weight: 10 lbs (4.54 kg) lbs (4.54 kg)
- Total Telescope Kit Weight: 11 lbs (4.99 kg)
- 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
- 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
Featuring Maksutov-Cassegrain optics, the Celestron NexStar 4 SE is an ideal telescope for observing and photographing celestial or terrestrial subjects. With a weight of just 21 lb (9.5 kg) including the tripod, the ultra-portable 4 SE features a precision optical system with 1,325 mm focal length at ƒ13, and is the first Maksutov system from Celestron to feature StarBright XLT multi coatings.
StarBright XLT high transmission coatingsSkyAlign allows alignment on any three bright celestial objects, making for a rapid, efficient alignment process. It then functions as a 'go-to' system accepting commands through the handset and pointing the optical assembly toward any one of nearly 40,000 objects stored in its database. Using the (optional) CN-16 GPS accessory connection and an external GPS (not included), alignment is entirelyautomatic.NexRemote telescope control software and RS-232 cable included for advanced control of the telescope with a PCStarPointer finderscope helps with alignment and locating objectsFlash-upgradeable hand control software and motor control units by way of downloadable updatesRobust, computerized altazimuth mountStar Diagonal internal flip mirror for straight or 90-degree viewing angle. May also be used to rapidly switch from the eyepiece to a camera without disturbing telescope alignmentExceptionally sturdy steel tripod for rapier-sharp astrophotography
What's in the box
- NexStar SE OTA
- Single Fork Arm Mount
- Accessory Tray
- Star Pointer Finderscope
- Built-In Wedge
- NexStar+ Hand Control
- 25mm eyepiece
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