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Celestron Omni XLT 120mm f/8.3 EQ Refractor Telescope


  • 1Description

With its large aperture and respectable focal length, the Celestron Omni XLT 120mm f/8.3 EQ Refractor Telescope is an ideal choice for making detailed observations of the Moon and planets, with the capability to split binary stars and separate star clusters, and resolve galaxies and nebulae. Its fairly fast focal ratio gives it the ability to achieve high magnifications with the addition of optional eyepieces, and thanks to its large 2' focuser the available options are nearly limitless. The larger drawtube also helps to prevent vignetting when using wide-field eyepieces during observation sessions, or when using large imaging-sensor cameras for astrophotography. To allow the use of the included 1.25' eyepiece and diagonal, a reducer adapter is included and installs easily without tools. The scope comes with the manual CG-4 equatorial mount outfitted with steel worm gears on both axes for smooth tracking and stability with two counterweights for proper balancing to ensure smooth movement. Also included is a heavy-duty stainless steel tripod to provide a sturdy and steady platform.

Optical Tube

  • Large 120mm aperture
  • f/8.3 focal ratio
  • 1000mm focal length
  • Achromatic refractor lens configuration
  • Proprietary StarBright XLT anti-reflection multi-coatings reduce light loss while improving light transmission, color rendition, and contrast
  • Resolution: 1.16 arcsec, Rayleigh; 0.97 arc sec, Dawes
  • Sturdy 2' rack-and-pinion focuser
  • Large 2' drawtube accepts 2' eyepieces and accessories, and helps to prevent vignetting when using wide-field eyepieces or imaging with large-sensor cameras

Mount and Tripod

    CG-4 Mount:

  • Manual German equatorial
  • Dual slow-motion control knobs enable fine adjustments with reduced vibrations
  • Altitude adjustment screws locks setting
  • Etched Right Ascension and Declination scales
  • Removable counterweight bar
  • 7 and 4-lb counterweights properly balance OTA and accessories for smooth movement
  • Dovetail plate enables fast assembly and break-down

  • Stainless steel legs
  • 1.75' leg diameter
  • Adjustable height from 33 - 47'
  • Center tray hold accessories like eyepieces and filters, and holds legs steady to reduce vibrations and improve stability
  • Weight: 12.5 pounds

Included Accessories


  • 1.25' diameter barrel
  • Accepts most 1.25' astronomical filters
  • 25mm focal length produces 40x magnification
    Reducer Adapter:

  • 2-to-1.25' reducer allows the use of smaller 1.25' eyepieces and accessories in the 2' drawtube

  • 1.25' snout and eyepiece holder
  • 90 angle puts head in comfortable viewing position when scope is aimed straight, or nearly straight, up
  • Star diagonal correct image horizontally, but not vertically, so images are right-side-up, but flipped backwards
    6x30 Finderscope:

  • 6x magnification ensures a wide field of view for easier alignment and faster star-hopping navigation

UPC: 050234210904 In the Box Celestron Omni XLT 120mm f/8.3 EQ Refractor Telescope

  • 25mm Eyepiece
  • 90 Star Diagonal
  • 2'-to-1.25' Reducer Adapter
  • Tripod with Accessory Tray
  • 6x30 Finderscope with Bracket
  • 4 lb Counterweight
  • 7 lb Counterweight
  • Limited 2-Year Warranty
  • User Manual PDF 8.8mbvucqfuteTable of Contents

    • 1Description

    Optical Design: Achromatic Refractor
    Aperture: 120 mm / 4.7'
    Focal Length: 1000 mm
    Focal Ratio: f/8.3
    Resolution: 0.97 Arcsec
    Focuser: Rack-and-Pinion
    Eyepiece Barrel Diameter: 1.25', 2'
    Finderscope: Yes
    Mounting System: Dovetail
    Type: Adjustable
    GoTo Capability: None
    Tripod Height Adjustment Range: 33.0 to 47.0' / 0.8 to 1.2 m
    Material of Tripod: Stainless Steel
    Batteries: None
    GPS: None
    Wi-Fi: None
    Weight: 46.0 lb / 20.9 kg
    Package Weight: 61.0 lb
    Box Dimensions (LxWxH): 52.0 x 9.0 x 9.0'



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      Filed under: High-End Telescope Auctions (USA)