Celestron · Schmidt-Cassegrain
Celestron CGX 1100
Serious imaging power in a robust equatorial package, built for astronomers ready to go deep.
Price updated Mar 22, 2026
Performance Scores
Overview
The Celestron CGX 1100 pairs an 11-inch Schmidt-Cassegrain optical tube with one of Celestron's most capable equatorial mounts, making it a strong choice for visual observers and astrophotographers alike who are ready to commit to a substantial setup. The OTA features StarBright XLT coatings, which improve light transmission noticeably compared to standard coatings, helping you pull in faint details on galaxies, nebulae, and planetary surfaces. The CGX mount is where this system earns its price.
With a 55 lb payload capacity, it handles the heavy OTA with room left for imaging accessories like guide scopes and cameras. The spring-loaded brass worm wheel and stainless steel worm gear contribute to smooth, consistent tracking, which matters a great deal during long astrophotography sessions. The added 20 degrees of meridian tracking gives you extra time on a target before needing to flip, reducing interruptions mid-session.
Internal cabling keeps things tidy when working remotely, and the onboard autoguider port integrates cleanly with guiding software. At $4,999, this is a serious investment, and it does demand a learning curve. But for someone who wants a long-term platform capable of growing with their skills, the CGX 1100 is genuinely hard to outgrow.
Specifications
Key Features
- StarBright XLT coatings improve light transmission, giving the 11-inch aperture better performance on faint deep-sky targets
- 55 lb mount payload capacity supports the heavy OTA while leaving room for imaging accessories
- Spring-loaded brass worm wheel and stainless steel worm gear deliver reliable, accurate tracking for long-exposure astrophotography
- Extra 20 degrees of post-meridian tracking reduces the need for disruptive meridian flips during imaging sessions
- Integrated autoguider port and internal cabling simplify setup for remote and automated imaging workflows
- Two all-new dovetail clamping knobs make securing the OTA or swapping equipment faster and more secure
- 2-inch stainless steel tripod legs provide the stability this mount and OTA combination requires