Celestron Omni XLT120

Refractor Telescope

Brand New Includes Two Year Warranty
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  • Technical Features

Technical Features for Celestron Omni XLT120

The Celestron 21090 features the stable platform of the CG-4 mount and high quality optics. It uses aspheric shaping technology in conjunction with hand-figuring the optics the Omni XLT presents an image with virtually no spherical aberration. The famous StarBright XLT coatings provides maximized light transmission along with ball bearings in both axis of the mount for smooth performance.

The Omni XLT 120 has CG-4 German Equatorial mount with setting circles and slow motion controls - to accurately locate and track sky objects. The Heavy-duty pre-assembled stainless steel tripod features 1.75" legs, accessory tray and bubble level.

Factory Information:
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Omni XLT 120 21090 Features:

  • 4.72 Inch Aperture (120mm)
  • StarBright XLT Coating
  • 283x Maximum Magnification
  • Focal Length: 1000mm, f/8.33 Focal Ratio
  • 60x30 Finderscope
  • Stainless Steel Tripod
  • Omni CG-4 Equatorial Mount
  • Quick & Easy No-Tool Setup
  • Ball Bearings in Both Axis of Mount


Optical Design :  Refractor
Aperture (mm) :  120 mm (4.72 in)
Focal Length (mm) :  1000 mm (39 in)
Focal Ratio :  8.33
Eyepiece 1 (mm) :  25 mm (0.98 in)
Magnification 1 :  40x
Finderscope :  6x30
Mount :  Omni CG-4 Equatorial
Tripod Leg Diameter :  1.75" Stainless
Highest Useful Magnification :  283x
Lowest Useful Magnification :  17x
Limiting Stellar Magnitude :  12.9
Resolution (Rayleigh) :  1.16 Arc Seconds
Resolution (Dawes) :  0.97 Arc Seconds
Light Gathering Power :  294x
Apparent Field of View (deg) :  1.25°
Optical Coatings :  StarBright XLT
Linear Field of View (@1000 yds) :  66 ft (20 m)
Optical Tube Length :  40 in (1016 mm)
Tripod Weight :  12.5 lbs (5.67 kg)
Optical Tube Weight :  12.5 lbs (5.67 kg)

Celestron 21090 Includes:
  • 25mm (40x) 1.25" Eyepiece
  • 6x30mm LER Finderscope
  • Star Diagonal - 1.25"
  • Dovetail Mounting Plate
  • Tripod w/ Accessory Tray
  • 7 lbs (3.2kg) Counterweight
  • 4 lbs (1.8kg) Counterweight

The Celestron Omni XLT 120 has many exciting features for users of all types. It's one of FactoryOutletStore's best selling . You can extend the lifetime of your Celestron Omni XLT 120 with the purchase of a FactoryOutletStore Factory Protection Plan. See the Celestron Omni XLT 120 product video and gallery images above for more details. FactoryOutletStore stocks a full line of accessories like Celestron 93503, Celestron 93625, and Celestron 94119-A for the Celestron Omni XLT 120. The Celestron Omni XLT 120 is sold as a Brand New Unopened Item.