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Celestron Omni XLT 120 Telescope

Brand: Celestron

SKU : CE-21090

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  • 120 mm (4.75-inch) Refractor Telescope.
  • CG-4 Equatorial Mount.
  • 1.25-inch Focuser, Star Diagonal, and 25 mm Eyepiece.
  • Slow-Motion Controls for easy Tracking.
  • StarBright XLT Optical Coatings.


Product Details

  • This Celestron Omni XLT 120 Refractor combines a solid German Equatorial Mount with an optical system featuring a hand-selected, Starbright XLT multicoated lens at a price that’s surprisingly low for a scope of this aperture. With superior optics and a stable platform, this refractor is a great choice for Astrophotography.


    • StarBright XLT Coating- 16% improvement over previous coating technology and provides maximized light transmission.
    • German Equatorial Mount-sports setting circles and slow-motion controls to accurately locate and track sky objects.
    • Heavy-Duty pre-assembled Tripod-stainless steel tripod features 1.75-inch legs, and a bubble level for an easy, “no-tool” set-up.


      • Optical Design: Refractor.
      • Focal Length: 1000 mm (39 inches).
      • Focal Ratio: 8.33.
      • Focal Length of Eyepiece 1: 25 mm (0.98 inches).
      • Magnification of Eyepiece 1: 40x.
      • Finderscope: 6x30.
      • Continued Below.


      • Mount Type: Omni CG-4 Equatorial.
      • Tripod Leg Diameter: 1.75-inch 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 (Compared to human eye): 294x.
      • Apparent Field of View: 1.25 degrees.
      • Linear Field of View (@1000 yds): 66 ft (20 m).
      • Optical Coatings: StarBright XLT.
      • Optical Tube Length: 1016 mm (40 inches).
      • Optical Tube Weight: 12.5 lb (5.67 kg).
      • Tripod Weight: 12.5 lb (5.67 kg).
      • Weight of Counterweights: 7 lb (3.2 kg) and 4 lb (1.8 kg).
      • Software: Starry Night Special Edition.
      • Continued Below.

      Celestron Product Number: 21090

    • specifications

      Alignment ProcedureManual Alignment
      Aperture120 mm (4.75")
      CD ROMs IncludedThe Sky Level 1
      Counterweights(1) 7 lbs. and (1) 4 lbs.
      Dew Shield IncludedYes
      Focal Length1000 mm
      Focal Ratiof/8.3
      Free ShippingYes
      Head DesignEquatorial
      Mount Weight21 lbs.
      Optical DesignDoublet Refractor
      OTA Length40"
      OTA Mount TypeCG 4/ Dovetail Bar
      OTA Weight12.5 lbs.
      Warranty2 Year Warranty
    • included items

      • Omni XLT 120 Refractor OTA.
      • CG-4 Equatorial Mount.
      • Omni XLT Tripod, with 1.75-inch Adjustable Steel Legs.
      • Accessory Tray/ Spreader.
      • 1.25-inch Rack-and-Pinion Focuser.
      • 1.25-inch Star Diagonal.
      • 1.25-inch Eyepiece/ 25 mm, 50-degree FOV, 20 mm Eye Relief.
      • The Sky-Level 1 Software on CD ROM.
      • Dew Shield.
      • 2 Year Celestron Warranty.


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