NexStar 102 SLT Computerized Telescope


The popularity of our previous short tube refractor models inspired us to go a step further with the introduction of our NexStar 102 SLT. You'll find that astronomical viewing is a delight with this large, powerful 4" telescope. The 102 SLT offers a 63% increase in image brightness over 80mm models. This short-tube telescope with a fast f/5 optical system gives images that are bright and crisp.

And the 102 SLT, like the other models in the SLT Series, comes with a fully computerized hand control with a database of over 4,000 celestial objects! With its pre-assembled, adjustable steel tripod, the NexStar 102 SLT can be up and ready to use in a matter of minutes. Our new SkyAlign alignment technology and the included StarPointer Finderscope with a red LED makes aligning a breeze.

Because of its wide 1.7 � field of view, the NexStar 102 SLT is optimal for scanning large areas of the sky and for superb terrestrial (land) viewing. A wonderful entry to mid-level astronomical scope, with the use of an optional erect image diagonal, the 102 SLT can also be used as a land-based spotting telescope.

NexStar 102 SLT - General Features

  • Compatible with 2" eyepieces
  • High quality 102 mm short tube style refractor
  • Fully computerized Altazimuth mount
  • StarPointer finderscope to help with alignment and accurately locating objects
  • Quick-release fork arm mount, optical tube and accessory tray for quick no tool set up
  • Sturdy stainless steel tripod and accessory tray included
  • Good for terrestrial and celestial observing
  • Includes CD-ROM "The Sky" Astronomy Software which provides education about the sky and printable sky maps

NexStar 102 SLT - Computerized Mount Features

  • Proven NexStar computer control technology
  • Database allows telescope to locate over 4,000 celestial 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
  • Internal battery compartment to prevent cord wrap during use
  • Auxiliary port for additional accessories such as GPS accessory
  • Includes NSOL telescope control software for basic control of your telescope via computer (with optional RS-232 cable)
  • Compatible with optional NexRemote telescope control software, for advanced control of your telescope via computer

Optical Design Learn More :
Weight Learn More :
14 lb (6.35 kg)
Aperture Learn More :
102 mm (4.02 in)
Focal Length Learn More :
660 mm (25.98 in)
Focal Ratio Learn More :
Finderscope Learn More :
Mount Learn More :
Motorized Altazimuth
Eyepiece 1 Learn More :
25 mm (0.98 in)
Magnification 1 Learn More :
26 x
Eyepiece 2 Learn More :
9 mm (0.35 in)
Magnification 2 Learn More :
73 x
Star Diagonal Learn More :
Accessory Tray Learn More :
No Tool, Quick release
Tripod Learn More :
CD ROM Learn More :
"The Sky�" Level 1 and NexStar Observers List (v2.6.4c)
Highest Useful Magnification Learn More :
241 x
Limiting Stellar Magnitude Learn More :
Resolution (Rayleigh) Learn More :
1.37 arcsec
Resolution (Dawes) Learn More :
1.14 arcsec
Photographic Resolution Learn More :
308 line/mm
Light Gathering Power Learn More :
212 x
Angular Field of View Learn More :
1.7 �
Linear Field of View (@1000 yds) Learn More :
91 ft (27.74 m)
Optical Coatings Learn More :
Computer Hand Control Learn More :
Fully Computerized / Flash Upgradeable
Slew Speeds Learn More :
Nine slew speeds: 4�/sec, 2�/sec, 1�/sec, .5�/sec, 32x, 16x, 8x, 4x, 2x
Tracking Rates Learn More :
Sidereal, Solar and Lunar
Tracking Modes Learn More :
Alt-Az, EQ North and EQ South
Alignment Procedures Learn More :
SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align
Database Learn More :
4,000 Object Database
GPS Learn More :
Optional CN-16 GPS Accessory

Optional Accessories Available:


Programming Cable
Programming Cable 
Item #93922
Binocular Viewer, Stereo
Item #93712
Radial Guider
Radial Guider 
Item #94176
Reducer - Corrector
Reducer - Corrector 
Item #94175
PowerTank 17
PowerTank 17 
Item #18777
Ultima 1.25 in - 2x
Ultima 1.25 in - 2x 
Item #93506
Moon Filter - 1.25 in
Moon Filter - 1.25 in 
Item #94119-A
UHC/LPR Filter - 1.25 in
UHC/LPR Filter - 1.25 in 
Item #94123


  • Model: C/22096
  • Shipping Weight: 16lbs
  • 3 Units in Stock
  • Manufactured by: Celestron

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This product was added to our catalog on Friday 24 July, 2009.

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