Celestron Omni XLT 102 Telescope package

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Product Overview

Celestron's Omni XLT 102 - 4" Refractor Telescope with German Equatorial mount features:

  • High quality optics starting with each lens and/or mirror being hand-selected so only the finest grade of optical glass is used
  • StarBright XLT coatings provide maximized light transmission
  • 25 mm multi-coated eyepiece - 20 mm eye relief, 50° FOV
  • 1.25" star diagonal
  • CG-4 German Equatorial mount with setting circles and slow motion controls - to accurately locate and track sky objects
  • Ball bearings in both axis of the mount for smooth performance
  • Heavy-duty pre-assembled stainless steel tripod featuring 1.75" legs, accessory tray and bubble level
  • Easy no-tool setup

Omni XLT series features the stable platform of the CG-4 mount and high quality optics. Using aspheric shaping technology in conjunction with hand-figuring the optics the Omni XLT presents an image with virtually no spherical aberration. We also added our famous StarBright XLT coating system to further enhance light transmission.

Optical Design


Aperture (mm)

102 mm (4.02 in)

Focal Length

1000 mm (39 in)

Focal Ratio


Focal Length of Eyepiece 1 (mm)

25 mm (0.98 in)

Magnification of Eyepiece 1

40 x



Mount Type

Omni CG-4 Equatorial

Tripod Leg Diameter

1.75" Stainless

Highest Useful Magnification

241 x

Lowest Useful Magnification

15 x

Limiting Stellar Magnitude


Resolution (Rayleigh)

1.37 arc seconds

Resolution (Dawes)

1.14 arc seconds

Light Gathering Power (Compared to human eye)

212 x

Apparent Field of View

1.25 °

Linear Field of View (@1000 yds)

66 ft (20 m)

Optical Coatings

StarBright XLT

Optical Tube Length

39.5 in (1003 mm)

Optical Tube Weight

9.5 lbs (4.31 kg)

Tripod Weight

12.5 lbs (5.67 kg)

Weight of Counterweights

7 lbs (3.2 kg) and 4 lbs (1.8 kg)


2-year Telescope Warranty


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