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Celestron NexStar 127SLT Computerized Telescope

Manufacturer Product Number: 22097

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Availability: In stock

List Price: $849.95

Price as configured: $549.95

List Price: $849.95

Our Price: $549.95


More Views

  • Maksutov-Cassegrain Telescope
  • Observing end of scope
  • Observing end of scope - overhead
  • Eyepiece accessories
  • Focuser knob
  • Objective end of scope
  • Dovetail mounting bracket
  • Eyepiece tray
  • Battery compartment
  • Motorized mount
  • Finderscope
  • Remote control
  • Tripod extension legs
  • CD's and Manuals
  • Tripod Bubble Level

Quick Overview

Celestron item #22097

Affordable 127mm Maksutov-Cassegrain GoTo telescope with proven NexStar computer control technology



Designed to be an affordable entry level to mid-level computerized GoTo telescope, the NexStar SLT refractors, reflectors, and Maks are available in the most popular sizes and are loaded with valuable design features.  With preassembled, adjustable stainless steel tripods and quick release fork arms and tubes, NexStar SLT telescopes can be set up in a matter of minutes – with no tools required!  You can see details of the lunar surface, Venus and its phases, polar caps on Mars, Jupiter and its four moons, Saturn with its rings plainly visible and much more!  Most NexStar SLTs also make excellent land-based spotting telescopes.


NexStar 127SLT General Features

* High quality 127 mm Maksutov-Cassegrain

* 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 SkyX First Light Edition astronomy software which provides education about the sky and printable sky map


NexStar 127SLT - 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


Technical Specifications and Dimensions:

Optical Design 



  18 lbs (8.16 kg)


  127 mm (5 in)

Focal Length 

  1500 mm (59.06 in)

Focal Ratio 





  Motorized Altazimuth

Eyepiece 1 

  25 mm (0.98 in)

Magnification 1 

  60 x

Eyepiece 2 

  9 mm (0.35 in)

Magnification 2 

  167 x

Star Diagonal 


Accessory Tray 

  No Tool, Quick release




  The SkyX First Light Edition astronomy software and NexStar Observers List  (v2.6.4c)

Highest Useful Magnification 

  300 x

Limiting Stellar Magnitude 


Resolution (Rayleigh) 

  1.1 arcsec

Resolution (Dawes) 

  0.91 arcsec

Light Gathering Power 

  329 x

Angular Field of View 

  0.83 °

Linear Field of View (@1000 yds)

  44 ft (13.41 m)

Optical Coatings 


Computer Hand Control 

  Fully Computerized / Flash Upgradeable

Slew Speeds 

  Nine slew speeds: 3°/sec, 2°/sec, 1°/sec, 64x, 32x, 16x, 8x, 4x, 2x

Tracking Rates 

  Sidereal, Solar and Lunar

Tracking Modes 

  Alt-Az, EQ North and EQ South

Alignment Procedures 

  SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align,
  Solar System Align (does not include USB connection)


  4,000 Object Database


  2 year manufacturer's warranty


Download Owner's Manual











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