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Celestron NexStar 4 SE Computerised GoTo Catadioptric Telescope #11049
Ex. Demo = This unit was returned as an unwanted gift. It has been opened and checked and is in perfect condition but box / packaging has clearly been opened. Full Guarantee Included.
The Celestron NexStar 4 SE is one of our favourite Telescopes for beginners. The built in Celestron StarAlign software allows the user to align the telescope without any prior knowledge of the night sky. Once aligned by using three bright objects the telescope can help you find and track thousands of objects. Check out the description below for full product details;
Featuring high-quality Maksutov-Cassegrain optics, the NexStar 4SE is an ideal telescope 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.
The NexStar 4 SE has all the same features as Celestrons 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.
GENERAL DETAILS:
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
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 star; solar systems; 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 w/ built-in wedge
CD ROM: NexRemote V1.6.14 & The Sky L1
POWER SUPPLY: 8-AA batteries (not included)
HIGHEST USEFUL MAGNIFICATION: 240 x
LOWEST USEFUL MAGNIFICATION: 14 x
LIMITING STELLAR MAGNITUDE: 12.5
RESOLUTION: 1.36 arc seconds
RESOLVING POWER: 1.14 arc seconds
LIGHT GATHERING POWER: 212 x
ANGULAR FIELD OF VIEW: 1
LINEAR FIELD OF VIEW (@1000 YDS): 52.5 ft (16 m)
OPTICAL COATINGS: StarBright XLT
SECONDARY MIRROR OBSTRUCTION: 1.38 in (35.05 mm)
SECONDARY MIRROR OBSTRUCTION BY AREA: 11 %
SECONDARY MIRROR OBSTRUCTION BY DIAMETER: 35 %
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 w/ 19 fiber optic backlit LED buttons
SLEW SPEEDS: Nine slew speeds: 4
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Category: Cameras and Photography:Telescopes and Binoculars:Telescopes
Location: Ulverston, Cumbria