CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope by Celestron
Celestron

CGX-L 11" Rowe-Ackermann Schmidt Astrograph (RASA) Equatorial Telescope

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$8,299.00
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The CGX-L 1100 Rowe-Ackermann Schmidt Astrograph Equatorial Telescope (CGX-L 11” RASA) sets a new standard in astroimaging systems at an extremely affordable price. The CGX-L 11” RASA telescope is an excellent advanced-level imaging setup. The Rowe-Ackermann Schmidt Astrograph (RASA) produces images in a fraction of the time compared to other optical tubes.  The CGX-L mount is designed to provide superior performance for larger telescopes while taking advantage of Celestron’s most advanced technologies: All-Star Polar Alignment, Celestron PWI telescope control software, Starry Night Special Edition software, SkyAlign, and permanently programmable periodic error correction (PPEC).

If you’re an experienced imager, you’ll love taking this mount to a dark sky site and enjoying all the conveniences of a larger observatory mount.

Rowe-Ackermann Schmidt Astrograph Features

Capturing impressive deep-sky astroimages is easier than ever with Celestron’s Rowe-Ackermann Schmidt Astrograph (RASA) V2, the perfect companion to today’s top DSLR or astronomical CCD cameras. This fast, wide-field f/2.2 system allows for shorter exposure times compared to traditional f/10 astroimaging, without sacrificing resolution. Because shorter sub-exposure times are possible, your equatorial mount won’t need to accurately track over extended periods. The short focal length also lessens equatorial tracking demands. In many cases, autoguiding will not be required.

RASA 11 V2 builds on the legacy of Celestron’s Schmidt Cameras, which allowed astrophotographers to produce images with much shorter exposure times on film in the 1970s.

Today, with CCD sensor sizes as large as film or larger, the RASA 11 V2 offers a 43.3mm optimized image circle to capture pinpoint stars on the largest imaging chips. Optical performance for huge sensors with diagonals of up to 52mm wide is still excellent.

Combine this large image circle with a focal length of just 620mm and you have an instrument suitable for wide-field imaging, creating huge mosaics of the night sky, surveying, and even comet hunting.

Optical Performance
The RASA 11 V2 features optics with 4-element rare-earth glass for images free of false color and aberrations like coma and field curvature. The optical quality and spot size across the entire image circle are unprecedented for an astrograph in this price range—or even that of a much more expensive instrument. The design also provides minimal vignetting.

Advanced Features
RASA 11 V2 utilizes the new Ultra-Stable Focus System (USFS). At the heart of this system is a precision linear ball bearing. The bearing serves to minimize focus shift (unwanted lateral motion of the primary mirror during focusing which causes shifting of the image) and mirror flop (movement of the primary mirror when the telescope is pointing to different positions in the sky). The USFS is also compatible with the optional Celestron Focus Motor (#94155-A). The integrated 12V DC MagLev fan reduces cooldown time and provides optimal airflow through the dust filtered optical tube.

Engineered as a complete astroimaging system, every component of the RASA 11 V2 is optimized for peak performance with DSLR and astronomical CCD cameras. Down to the thickness of the glass used in the included fully-multicoated optical window or optional imaging filter, every component of the system has been taken into careful consideration to work together seamlessly. The Dovetail CGE bars on the top of the optical tube provides a connection for use of optional accessories like a guidescope.

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CGX-L Mount Features:

Celestron's CGX-L computerized equatorial mount is the pinnacle of our fully computerized equatorial mount series. Capable of carrying Celestron’s largest optical tubes with ease, CGX-L is perfect for backyard observatories and remote imagers looking for exceptional load capacity to weight ratio, compact design, and innovative features that fully support large telescopes, imaging kits, and the latest in wireless tech accessories.

Key design goals included:

  • larger 144mm diameter worm wheels, which provide smoother operation and can more accurately drive heavier loads
  • a longer 270mm dovetail saddle to support larger optical tubes
  • remote operation-friendly features such as home and limit optical sensors
  • easier polar alignment adjustments
  • improved cable management

In addition to achieving all these goals, we’ve made mechanical and ergonomic improvements throughout CGX-L to make the mount sturdier, easier to use, and easier to transport.

Shipping Policy

Effective Date: 11/18/2025

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Celestron Warranty Overview

Celestron products come with either a 2-Year Limited Warranty or a Limited Lifetime Warranty, depending on the model. You can confirm which applies by checking the product page on Celestron’s website.

These warranties cover defects in materials and workmanship on new products purchased from authorized dealers in the U.S. and Canada.

2-Year Limited Warranty (Most Products)

What’s covered:


  • Defects in materials or workmanship for 2 years from the original purchase date.

  • Celestron will repair or replace the product after inspection.

What’s not covered:


  • Damage from misuse, drops, modifications, or unauthorized repairs

  • Normal wear and tear

  • Used products or items purchased from unauthorized sellers

  • International purchases outside the intended region

Your costs:
Shipping and insurance to/from Celestron.

To request service:


  • Have your proof of purchase

  • Get an RMA (Return Authorization) from Celestron

  • Include your contact info and a brief description of the issue

Limited Lifetime Warranty (Select Optics Products)

What’s covered:


  • Defects in materials and workmanship for the useful life of the product (original owner only).

  • Celestron may repair or replace discontinued products with an equivalent model.

Limitations and exceptions:


  • Exterior materials (rubber, coatings): covered for 5 years

  • Accessories (caps, straps, cases): covered for 2 years

  • Optical coatings may naturally show minor blemishes over time

  • Collimation/optical alignment issues must be claimed within 30 days

  • Loss or accidental damage is not covered

Valid only for new purchases from authorized dealers in the U.S./Canada. International buyers must contact their local distributor.

What Celestron Will Do


  • Aim to repair or replace your product within 30 days

  • If discontinued, replace with a comparable model

  • No refunds—repair or replacement only

Liability Notes


  • Remedies are limited to repair or replacement

  • Celestron is not responsible for incidental or consequential damages (varies by state)

How to Contact Celestron for Warranty Help

Celestron Customer Service
2835 Columbia Street
Torrance, CA 90503

Support: www.celestron.com/pages/technical-support
Phone: 310-328-9560
Hours: Mon–Fri, 8am–4pm PT

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