Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Questions & Answers
What other accessories are needed/available besides the dual-axis motor drive and Polar axis finder? Expert Answer

This will come with everything needed for basic operation. If you would like other accessories, please email us at TechSales@OpticsPlanet.com so that we can offer recommendations based off your needs.

by Nick B., Gear Expert, November 2, 2021
Customer Reviews
Helpful Positive Review
I received my new Omni XLT 120 refractor about 3:00 pm Friday, July 20th. I set it up to get familiar with this scopes features. Everything in the two packages arrived intact. First was the size, wow this is a large scope. The tripod and the moun...
Read More...
69/73 found this helpful
Helpful Positive Review
I waited to post this review until I had used the scope a few times. My primary use of this scope is for planetary and solar observation. I have to give the instrument high marks for its design and performance. The optics are very good for this size ...
Read More...
7/7 found this helpful
Helpful Positive Review
Celestron Omni XLT 120 by Legacy Reviewer, Verified Owner, November 5, 2012
Views of the moon and planets are excellent with this 120mm / 4.7-inch achromatic telescope and I can use 300x on a night when the seeing is good and steady. The XLT120 is capable of good deep sky work, especially double stars. The fit and finish are...
Read More...
11/13 found this helpful
Helpful Positive Review
Impressive by Legacy Reviewer, November 6, 2007
For a refractor of this size, it is very low cost. I have to admit that I was not expecting images to be anywhere near this sharp. Setup was easy, but with my shaky hands, balancing was a minor issue. Easily resolved by calling the grandson over. I p...
Read More...
6/10 found this helpful
Helpful Positive Review
I'm quite pleased by Legacy Reviewer, Verified Owner, April 12, 2009
If you are after a point-and-view experience and know nothing about how telescopes work, this telescope is not for you. The EQ mount alone can be disorienting, and don't expect hand-holding from the documentation. But if you have a basic understandin...
Read More...
37/37 found this helpful
Helpful Positive Review
great upgrade by Legacy Reviewer, Verified Owner, June 13, 2009
i feel for the money this was a great upgrade from my previous and smaller scope.i really like the tri pod and mount. Pros: quality/price Cons: not a skinny lightweight
3/7 found this helpful
Read All 10 Reviews
Color: Silver

Code: CI-TS-21090A

MPN: 21090

UPC: 050234210904

List: $1,104.95Save 29%
$779.99
Shipping Limitations Shipping Limitations

Product Info for Celestron Omni XLT 120 mm Refractor Telescope - 21090

Celestron Omni XLT 120mm Refractor Telescope 21090 is a versatile telescope with high quality optics and components, perfect for users of any level. The Celestron Omni XLT102 Telescope by Celestron has a 102mm Lens, the largest lens of a Refractor Telescope in the Omni XLT Series. This 120 mm Lens gives a superb image of the Moon, Saturn and its rings, Jupiter and its moons, nebulae and star clusters. Celestron Omni XLT Series Telescopes have StarBright XLT Optical Coatings that enhances light transmission, providing maximum contrast and image sharpness. The StarBright XLT Coatings also present a clear an unblurred image. This telescope is a Refractor Telescope making it easy to maintain with its enclosed lens, and also making it great for terrestrial viewing. These Celestron Telescopes have a 25mm multi-coated eyepiece that is capable of a high 40X magnification. The Celestron Omni XLT 120mm Telescope also features the stable platform of the CG-4 German Equatorial Mount. This Equatorial Mount is responsible for accurately locating and tracking objects due to its setting circles and slow motion controls. Holding up these high quality components is the telescope 's heavy duty tripod that features 1.75" stainless steel legs. The Celestron Omni XLT102 Telescope is also an ideal telescope for astrophotography. When used with the optional dual-axis motor drive (Model #93522) and the polar axis finder (Model #94221) to track objects for long exposure photography, these Telescopes can produce superior quality photographs. With these features of high quality optics and materials, the Celestron Omni XLT 120mm Refractor Telescope 21090 will ensure stability, durability, and will give the user a lifetime of enjoyment in astronomy.image

WARNING: California`s Proposition 65

Specifications for Celestron Omni XLT 120 mm Refractor Telescope - 21090:

Manufacturer: Celestron
Color: Silver

Features of Celestron Omni XLT102 Refractor Telescopes 21090:

  • High quality optics, 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
  • 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

Package Contents:

  • Celestron Omni XLT 120mm Refractor Telescope 21090
  • Heavy-duty tripod
  • Planetarium software

Celestron Omni XLT 120 mm Refractor Telescope - 21090 Orderable Models

List of Orderable Models

  • Celestron Omni XLT 120 mm Refractor Telescope - 21090 , MPN: 21090 , UPC: 050234210904 , Code: CI-TS-21090A
Compare (0)