Celestron Omni XLT 150

Celestron Omni XLT 150

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  (3 Reviews)
✓ 2 year warranty


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About this product

Model:  ComniXLT150
Part Number:  31057

Now fitted with 1.25/2-inch Crayford focuser.

150mm (6") f5 Parabolic Newtonian Reflector on sturdy German Equatorial Mount.


  • High quality optics start 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
  • 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

What's in the box

  • Telescope OTA
  • CG-4 Mount & Tripod
  • Counterweights
  • Finderscope
  • 25mm Eyepiece


Optical DesignNewtonian Reflector
Aperture (mm)150 mm (5.91 in)
Focal Length750 mm (30 in)
Focal Ratio5
Focal Length of Eyepiece 1 (mm)25 mm (0.98 in)
Magnification of Eyepiece 130 x
Mount TypeOmni CG-4 Equatorial
Tripod Leg Diameter1.75" Stainless
Highest Useful Magnification354 x
Lowest Useful Magnification21 x
Limiting Stellar Magnitude13.4
Resolution (Rayleigh)0.93 arc seconds
Resolution (Dawes)0.77 arc seconds
Light Gathering Power (Compared to human eye)459 x
Apparent Field of View1.67
Linear Field of View (@1000 yds)88 ft (27 m)
Optical CoatingsStarBright XLT
Optical Tube Length26.5 in (673 mm)
Optical Tube Weight12 lbs (5.44 kg)
Tripod Weight12.5 lbs (5.67 kg)
Weight of Counterweights7 lbs (3.2 kg) and 4 lbs (1.8 kg)
Warranty2-year Telescope Warranty

Downloads / Manuals

The following manuals and downloads are available for this product:


Omni XLT Manual (PDF)

Customer reviews

Average Rating (3 Reviews):  
Write a Review and share your opinions!

Rating (max 5):  
Great service and product
Saturday, 18 August 2018  | 

First off service from First Light Optics was excellent much like one of the other reviews i had ordered for amazon first which wasn't a great experience, the Omni XLT 150 seems to be a very good telescope gave clear bright views (limited use due too our return to our normal summer weather in Northern Ireland) the mount is outstanding, good and solid. Looking forwards too trying it out under a clear dark sky.

Rating (max 5):  
C Omni XLT 150
Wednesday, 1 August 2018  | 

I originally ordered the above telescope from Amazon (prime). But after a week and still not received it, I cancelled the order and started to look elsewhere. That's when I found the same telescope in FLO site. I ordered the telescope, received an email 3 hours later confirming dispatch, and less than 24 hours of placing my order I received my telescope. Not only that it was 180 pound cheeper . As for the telescope it came well packed. I have checked everything over and all looks good. I haven't had a chance to use it thanks to our great Scottish summer but am sure when I do it will not disappoint. You can buy with complete confidence from FLO . The experience won't let you down.

Rating (max 5):  
Sunday, 19 October 2014  | 

A very solid mount and tripod, especially the price on this website, optics performed great, and I can't wait until I get my eyepiece kit to see more, highly recommend especially from this website, only took one day to deliver and I live in Scotland.


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