Celestron NexStar 4SE Computerized Cassegrain Telescope

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  • Clear and crisp images using Celestron StarBright XLT high transmission coatings
  • Fast alignment and focusing using StarPointer finderscope
  • Full Computerized mount automatically tracks stars for easy viewing
  • Over 38,000 sky objects pre-programmed for viewing
  • Internal flip mirror for convenient viewing straight through (with optional diagonal) or at 90 degrees
  • Easy no tool set up
  • Very stable Altazimuth mount with built in wedge for astrophotography
  • Internal battery compartment to prevent cord wrap during use
  • Includes "The Sky" Software providing education on the night sky
  • Classic orange tube styling with latest state of the art technology
    Celestron NexStar 4SE Computerized Cassegrain Telescope

    Featuring high-quality Maksutov-Cassegrain optics, the Celestron NexStar 4 SE Computerized Telescope is ideal for observing and photographing the wonders of space. With a total weight of 21 lbs including the tripod, the ultra portable 4 SE features a precision optical system with 1,325 mm focal length (f/13) and is the first Maksutov system to ever feature our premium StarBright XLT coatings.

    Every Astrophotographer's Best Friend
    The 4 SE includes a camera control feature that allows you to remotely take a series of timed exposures using your digital SLR camera. Plus the Flip Mirror Control, Straight Through Photographic Port and Tripod featuring a built-in wedge help make short-exposure astrophotography a heavenly experience.

    The NexStar 4 SE has all the same features as Celestron’s most advanced computerized GoTo telescopes, including our revolutionary SkyAlign™ alignment technology, a sky tour feature, a database of nearly 40,000 celestial objects and easy to use hand control.

    Plug the optional CN-16 GPS Accessory into NexStar’s auxiliary port and download data from orbiting GPS satellites for truly quick and easy alignments. The universe may be full of mysteries, but using the NexStar 4 SE isn’t one of them.

    Computerized Convenience
    In the tradition of Celestron's famous orange optical tubes, the new NexStar SE Family combines the classic heritage of the original orange tube telescopes with state-of-the-art features including a fully computerized operating system, flash upgradeable hand control, our superior StarBright XLT coatings, our revolutionary SkyAlign™ telescope alignment software and much more.

    Whether you are a seasoned astronomer looking for a portable scope with advanced features, or just starting your astronomy adventure and looking for an easy way to enjoy the night sky, a NexStar SE will help you take a closer look.
    More Information
    Product Weight (KG) 9.5
    Optical Design Maksutov-Cassegrain
    Aperture 102 mm (4.02 in)
    Focal Length 1325 mm (52.17 in)
    Focal Ratio
    Finderscope StarPointer
    Dovetail Compatibility Quick Release Tube Clamp
    Mount Single Fork Arm Altazimuth
    Optical Tube Aluminium
    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 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 Diameter 34.4 %
    Optical Tube Length 13.5 in (342.9 mm)
    Telescope Weight 11 lb (4.99 kg)
    Tripod and Mount Weight 10 lb (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 24bit, 0.08 arcsec calculations
    Communication Ports
    RS-232 communication port on hand control, Aux port, Camera Control port
    Tracking Rates Sidereal, Solar and Lunar
    Barcode 50234110495
    Telescope Type Maksutov-Cassegrain
    Aperture Size 102mm
    Focal Length 1325mm
    Focal Ratio f/13
    Highest Practical Magnification 241x
    Finderscope StarPointer
    Eyepieces 25mm
    Mount Type Computerized Mount
    Tripod Steel
    Warranty 2 Years Limited Warranty
    User Level For Beginners
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