Nexstar 127 MAK SLT

Nexstar 127 MAK SLT

Model Number: CEL22097
Web Code: 16197677
Sold and shipped by | 4.0 seller rating (3 reviews)

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Nexstar 127 MAK SLT


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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

·“TheSkyX – First Light Edition” astronomy software with a 10,000 object database, printable sky maps and 75 enhanced images

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


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 can also be used as a land-based spotting telescope.

Intelligent Design

Powered by 8 AA (user supplied) batteries or an optional AC adapter (#18778), these NexStar GoTos love to travel.  The internal battery compartment provides power to the high precision servo motors for rigid low-vibration performance while eliminating cord wrap issues associated with external battery packs.

With the NexStar’s ergonomically designed hand control, the user is free to remove the hand control from its holder for remote use or leave it cradled for hands-free operation.  With a touch of a button, you can select the object catalog, change the slew speed, view fascinating information about an object or simply know if a desired object is visible in the sky.

Celestron’s Revolutionary SkyAlign

Using Celestron’s patented SkyAlign (patent pending), simply input the date, time and location into the hand control then slew the telescope to any three bright celestial objects in the sky.  You do not need to know the names of the stars – you can even pick the Moon or bright planets!

Warranty 2 Years

For two years, Celestron will cover repairs or replacement of this product in cases of defective components or damage from normal wear and tear.


Optical Design


Aperture (mm)

127 mm (5 in)

Focal Length

1500 mm (59 in)

Focal Ratio


Focal Length of Eyepiece 1 (mm)

25 mm (0.98 in)

Magnification of Eyepiece 1

60 x

Focal Length of Eyepiece 2 (mm)

9 mm (0.35 in)

Magnification of Eyepiece 2

167 x



Star Diagonal


Mount Type

Motorized Altazimuth

Accessory Tray

No Tool, Quick release



Highest Useful Magnification

300 x

Lowest Useful Magnification

18 x

Limiting Stellar Magnitude


Resolution (Rayleigh)

1.1 arc seconds

Resolution (Dawes)

0.91 arc seconds

Light Gathering Power (Compared to human eye)

329 x

Apparent Field of View

.83 °

Linear Field of View (@1000 yds)

44 ft (13 m)

Optical Coatings


Slew Speeds

Nine slew speeds

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

Computer Hand Control

Fully Computerized / Flash Upgradeable


4,000 Object Database


Optional SkySync GPS Accessory (93969)


2-year Telescope Warranty


Shipping Charges
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Processing Time
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*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.
Shipping Area Restrictions
Shipping is not available in the following areas*:
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Must be unassembled and still in the original packaging. All returned products must include original packaging.

Return shipping costs will be paid by the seller for all cases where the product is defective, damaged or incorrect. For other cases (e.g. you changed your mind), you will be responsible for this cost.

To request a return

Please contact the seller directly from your Order details page, and provide the following information:

  • Web ID (8-digit number) & product description
  • Number of items to be returned
  • Date you received your product
  • Condition of product
  • Condition of packaging
  • Reason for return

All refunds will be processed within 4 Business Days.