Meade Instruments:  
 » LX90 SCT & ACF Series. 
 » LX200 ACF Series. 
 » LXD75 ACF Series. 
 » ETX Computerised Telescopes. 
 » Lightbridge Dobsonian Telescopes. 
 » Premium Refractor Telescopes. Coronado Solar Telescopes: 
 » Personal Solar Telescopes. 
 » SolarMax II Telescopes. Opticstar sections: 
 » Cooled, long exposure cameras, 6.1MP CCD, USB 2.0. 
 » Video cameras for planetary use up to 1.3MP, USB 2.0. 
 » Imaging accessories. 
 » Auto-Guiding systems, complete solutions. Ascension telescopes and accessories: 
 » Apochromat ED Triplet Refractors 
 » Achromat Doublet Refractors  
 » Eyepieces including zoom eyepieces. 
 » Guiding eyepieces. 
 » Extension tubes. 
 » Flip mirrors. 
 » Imaging filters. 
 » Barlow lenses. 
 » Binoviewers. 
 » Red dot finders. 
 » Eyepiece projection kits. 
 » Mirror and prism diagonals. iOptron: 
 » Altazimuth Mounts. 
 » Equatorial Mounts. Altair Astro: 
 » Imaging Newtonians. 
 » Maksutovs. 
 » Ritchey Chretien Astrographs. 
 » ED Triplet Refractors. Sky-Watcher: 
 » Equinox Refractor Telescopes PRO series. 
 » Evostar ED PRO Refractor Telescopes. 
 » Skymax PRO Maksutov Cassegrain Telescopes. 
 » Telescopes standard series. A&M Advanced Telescopes sections: 
 » Super apochromat refractors. 
 » Schmidt cameras. 
 » Ritchey Chretien catadioptrics. 
 » Maksutov Cassegrain catadioptrics. 
 » Dobsonian reflectors. 
 » Telescope accessories. 
 » Image gallery. 
 » Articles.
The Imaging Source: 
 » High speed USB 2.0 video cameras. 
 » High speed Firewire video cameras. Starlight Xpress: 
 » Cooled CCD Cameras. 
 » Guide Cameras. 
 » Filter Wheels. Farpoint Astro: 
 » Dovetail systems and mount accessories. 
 » Focus masks. 
 » Binocular mountings. Celestron: 
 » Advanced VX telescopes. 
 » CGEM telescopes. 
 » CGEM DX telescopes. 
 » CPC telescopes. 
 » EdgeHD telescopes. 
 » SLT telescopes. 
 » SkyProdigy telescopes. 
 » Omni XLT telescopes. MSB AstroArt software. Willmann Bell books. Apogee Instruments Inc: 
 » Ascent series up to 16MP cooled CCD, USB 2.0. 
 » Kodak Interline CCDs. 
 » Kodak Full Frame CCDs, internal shutters. 
 » Hamamatsu Back Illuminated CCDs. 
 » EMCCD Interline Transfer CCDs. 
 » Sony Interline CCDs. 
 » Filter Wheels and Accessories. Shoestring Astronomy sections: 
 » Autoguiding connectivity kits and interfaces. 
 » Shutter control units for DSLR cameras. 
 » Focus motor controllers.
Celestron Omni XLT 102
4" Refractor with StarBright XLT coatings on Equatorial Mount
To order this item outside mainland Britain or Highlands & Islands, please contact us.
Celestron Omni XLT 102
  • 102mm (4") Refractor
  • Focal Ratio: f/9.8
  • StarBright XLT coatings
  • CG-4 German Equatorial Mount
  • Ball bearings in both axis of the mount for smooth performance
  • Heavy-duty pre-assembled stainless steel tripod featuring 1.75" legs
  • The Sky Level 1 planetarium software with 10,000 object database
  • 25mm multi-coated eyepiece - 20mm eye relief, 50o FOV
  • 1.25" star diagonal
Telescopes Celestron
Celestron Omni XLT 102
Package includes:
  • 102mm (4") Refractor with StarBright XLT coatings.
  • CG-4 German Equatorial Mount.
  • Heavy-duty pre-assembled stainless steel tripod.
  • 25mm multi-coated eyepiece .
  • 1.25" star diagonal.
  • OFFER: Please refer to the right hand column on this page.
Order No. Price (inc_VAT) Shipping Delivery click button to purchase
CLSOM102 £ --- £ 0.00
Delivery information: This item is dispatched from Celestron UK's central warehouse at no cost to the customer for most of the United Kingdom. Delivery time can fluctuate from 3 days to 1 week or longer in some cases. For more precise delivery information please contact us by email or telephone.

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 abberation. Celestron also added the famous StarBright XLT coating system to further enhance light transmission.

  • 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.
  • 25mm multi-coated eyepiece - 20mm eye relief, 50o 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.
  • The Sky Level 1 planetarium software with 10,000 object database and enhanced images.

Celestron Omni XLT Comparison Chart
Specification Omni 102 Omni 120 Omni 150R Omni 150 Omni 127
OPTICAL DESIGN Refractor Refractor Refractor Newtonian Schmidt Cassegrain
APERTURE 102mm (4.02") 120mm (4.72") 150mm (5.91") 150mm (5.91") 127mm (5")
FOCAL LENGTH 1000mm 1000mm 750mm 750mm 1250mm
FOCAL RATIO 9.8 8.3 5 5 9.8
EYEPIECE 1 25mm (0.98") 25mm (0.98") 25mm (0.98") 25mm (0.98") 25mm (0.98")
MAGNIFICATION 1 40x 40x 30x 30x 50x
FINDERSCOPE 6x30mm 6x30mm 6x30mm 6x30mm 6x30mm
OPTICAL COATINGS StarBright XLT StarBright XLT StarBright XLT StarBright XLT StarBright XLT
MOUNT Omni CG-4 Equatorial
TRIPOD 1.75" stainless steel legs
COUNTERWEIGHTS 7lbs (3.2kg) and 4lbs (1.8 kg)
HIGHEST USEFUL MAGNIFICATION 204x 240x 354x 300x 300x
LIMITING STELLAR MAGNITUDE 12.5 12.9 12.3 13.4 13.1
RESOLUTION 1.36 arc sec 1.19 arc sec 0.93 arc sec 0.92 arc sec 1.1 arc sec
RESOLVING POWER 1.14 arc sec 0.97 arc sec 0.77 arc sec 0.76 arc sec 0.91 arc sec
LIGHT GATHERING POWER 212x 294x 459x 459x 329x
FIELD OF VIEW 1.25° 1.25° 1.67° 1.67°
LINEAR FIELD OF VIEW (@1000 YDS) 66ft (20m) 66ft (20m) 88ft (26m) 53ft (16m) 53ft (16m)
OPTICAL TUBE LENGTH 39.5" (1000mm) 40" (1016mm) 34" (863mm) 26" (673mm) 11" (279mm)
OPTICAL TUBE WEIGHT 9.5lb (4.3kg) 12.5lb (5.6kg) 16lb (7.26kg) 12lb (5.4kg) 6.5lb (3kg)
EQ MOUNT WEIGHT 21lb (9.53kg) 21lb (9.53kg) 21lb (9.53kg) 21lb (9.53kg) 21lb (9.53kg)
TRIPOD WEIGHT 12.5lb (5.67kg) 12.5lb (5.67kg) 12.5lb (5.67kg) 12.5lb (5.67kg) 12.5lb (5.67kg)
WEIGHT 43lb (19.5kg) 46lb (20.8kg) 49lb (22.4kg) 45lb (20.6kg) 40lb (18.4kg)

We are constantly checking the accuracy of the technical data. We are prepared to provide more detailed information on request. Technical data is subject to change without notice.

How To Order Terms & Conditions Email Us
Product Search

Promotional Offer
Cash Back on Opticstar
Imaging Products
updated: 24th September 2012
Opticstar cashback offer.

Customers who purchase any Celestron telescopes or Celestron optical tubes or Celestron mounts listed on this page qualify for a 10% cash back on any Opticstar astronomy cameras purchased at the same time or at a later date.

This offer is valid for 1 year commencing on the date that the Celestron product is purchased from the Opticstar website or the Opticstar showroom.

Any additional purchases at a later date of Celestron products that qualify for this offer will renew the cash back period to 1 full year.

Opticstar astronomy cameras that qualify for this offer include the following: Once an Opticstar CCD or CMOS camera has been purchased within a year of the qualifying Celestron purchase, the cash back can be claimed by contacting Opticstar by email or over the phone quoting the receipt number(s). Please allow up to 14 days to process the payment.

Opticstar News
DS-616C XL is Astronomy Magazine's Star Product
posted: 30th January 2015
Opticstar DS-616C XL is Astronomy magazine's product of the year.
DS-616C XL is Star Product

The Opticstar DS-616C XL deep-sky CCD camera has earned the annual star product award from Astronomy, the world's best-selling astronomy magazine. Read about it in the September 2013 issue.

Sample Images
Opticstar DS-145M ICE
posted: 13th March 2009
Sample image.
The NGC7293 shot by John Haunton with the Opticstar DS-145M ICE.
Sample Images
Opticstar PL-130M CoolAir
posted: 10th February 2009
Mosaic of the Moon at 2354x4010 pixels 
 captured by Herwig Sulzbacher.
An impressive 9.4 megapixel mosaic of the Moon by Herwig Sulzbacher with the Opticstar PL-130M.
We want to hear your comments.
Sample Images
Opticstar DS-335C ICE
updated: 20th August 2010
Sample image.
The M42 nebula shot by Nick Witte Vermeulen with the Opticstar DS-335C ICE.
Opticstar Imaging
posted: 26th February 2013
Opticstar telescopes for imaging.
High quality refractor telescopes, bundled with CCD cameras for deepd sky imaging, planetary video imaging and auto-guiding.
A&M 80mm f/6 Review
"Best Of Breed"
updated: 25th March 2009
A&M 80mm f/6 A&M/TMB.
The A&M 80mm f/6 A&M/TMB has been reviewed in Cloudy Nights and it has been hailed as the "best of breed". The review concludes by saying "offers stunning performance while standing out from the crowd, look no further".
Willmann Bell
Books for Astronomy
updated: 23rd April 2015
Willman Bell books.
Acclaimed books from Willmann Bell...
© Opticstar Ltd 2015