CELESTRON NEXSTAR 4SE TELESCOPE
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CELESTRON NEXSTAR 4SE TELESCOPE
General Features
* 4" Maksutov-Cassegrain telescope
* SE combines the classic heritage of the original orange tube telescopes with the latest state-of-the-art features
* StarBright XLT high transmission coatings come standard
* StarPointer finderscope to help with alignment and accurately locating objects
* Internal flip mirror for convenient viewing straight through (with optional diagonal) or at 90 degrees
* Quick release fork arm mount, optical tube and accessory tray for no-tool setup
* Sturdy computerized Altazimuth mount
* Internal battery compartment to prevent cord wrap during use
* Ultra sturdy steel tripod features built-in wedge which allows 4 SE to be used for astrophotography
* Includes CD-ROM "The Sky" Astronomy Software which provides education about the sky and printable sky maps
NexStar 4SE - Computerized Mount Features
* Proven NexStar computer control technology
* Nearly 40,000 object database with 200 user-definable objects and expanded information on over 200 objects
* SkyAlign allows you to align on any three bright celestial objects, making for a fast and easy alignment process
* Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
* Includes a camera control feature and shutter release cable that allows you to remotely take a series of exposures using your digital SLR camera
* Custom database lists of all the most famous deep-sky objects by name and catalog number; the most beautiful double, triple and quadruple stars; variable stars; solar system objects and asterisms
* DC Servo motors with encoders on both axes
* Double line, 16-character Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of goto features
* NexRemote telescope control software and RS-232 cable included for advanced control of your telescope via computer
* GPS-compatible with optional SkySync GPS Accessory (93969)
SPECIFICATIONS:
Optical Design : Maksutov-Cassegrain
Aperture : 102 mm (4.02 in)
Focal Length : 1325 mm (52.17 in)
Focal Ratio : 12.99
Finderscope : StarPointer
Dovetail Compatibility : Quick Release Tube Clamp
Mount : Single Fork Arm Altazimuth
Optical Tube : Aluminum
Eyepiece 1 : 25 mm (0.98 in)
Magnification 1 : 53 x
Star Diagonal : Internal Flip mirror for straight thru or 90 viewing angle
Other Equipment : Camera Shutter Cable
Tripod: Steel with built-in wedge
CD ROM : NexRemote V1.6.14 & "The Sky®" Level 1
Power Supply Learn More : 8-AA batteries (not included)
Highest Useful Magnification : 241 x
Lowest Useful Magnification : 15 x
Limiting Stellar Magnitude : 12.5
Resolution (Rayleigh) : 1.37 arcsec
Resolution (Dawes) : 1.14 arcsec
Light Gathering Power : 212 x
Angular Field of View : 1 °
Linear Field of View (@1000 yds): 53 ft (16.15 m)
Optical Coatings: StarBright XLT
Secondary Mirror Obstruction: 1.38 in (35.05 mm)
Secondary Mirror Obstruction by Area:11.8 %
Secondary Mirror Obstruction by Dia: 34.4 %
Optical Tube Length : 13.5 in (342.9 mm)
Telescope Weight : 11 lbs (4.99 kg)
Tripod and Mount Weight : 10 lbs (4.54 kg)
Motor Drive : Integrated D.C. Electronics
Computer Hand Control: Double line, 16 character Liquid Crystal Display with 19 fiber optic backlit LED buttons
Slew Speeds : Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, 64x, 16x, 8x, 4x, 1x, .5x
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
Database : 38,181 accessible objects
Software Precision : 24 bit, 0.08 arcsec calculations
Communication Ports : RS-232 communication port on hand control, Aux port, Camera Control port
Tracking Rates : Sidereal, Solar and Lunar
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