Celestron CGX-L 1100

Rowe-Ackermann Schmidt Astrograph Telescope

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  • Technical Features

Technical Features for Celestron CGX-L 1100

The Celestron 12074 is a 11-inch Rowe-Ackermann Schmidt astrograph telescope with excellent advanced-level imaging setup. It features Ultra-fast, f/2.2 system optical design with rare-earth glass for images free of false color, coma, and field curvature. The 43.3 mm optimized image circle maintains pinpoint stars to the far corners of even the largest astroimaging sensors, while the usable field extends even further to 52 mm for larger format sensors.

The Celestron RASA CGX-L 1100 has Ultra-Stable Focus System reducing image shift and mirror flop, providing the stable and precise focusing. The improved StarBright XLT multi-coating system, which includes anti-reflection coatings on the lenses and highly reflective coatings on the mirrors, increases light transmission throughout the entire optical path.

RASA CGX-L Features:

  • 11 Inch Aperture (279 mm )
  • Focal Ratio F/2.2 Optical Design
  • Ultra-Stable Focus System
  • 1588x Light Gathering Power
  • StarBright XLT Optical Coating
  • NexStar+ Hand Control
  • CGX-L Computerized Equatorial Mount


Optical Design:Rowe-Ackermann Schmidt Astrograph
Aperture (mm):279mm (11 in)
Focal Length:620mm (24.4 in)
Focal Ratio:f/2.2
Backfocus From Top of Threaded Collar:55mm
Central Obstruction Diameter:114mm
Light Gathering Power (Compared to human eye):1588 x
Resolution (Rayleigh):0.49 arc seconds
Resolution (Dawes):0.41 arc seconds
Optical Coatings:StarBright XLT
Optical Tube: Aluminum
Optical Tube Length: 838.2mm (33 in)
Focuser: Ultra-Stable Focus System
Dovetail: CGE Dovetail Bar
Mount :Computerized Equatorial
Instrument Load Capacity:75 lb
Tripod Leg Diameter: 69.85mm (2.75") Steel Tripod
Accessory Tray: Yes
Latitude Adjustment Range:3° - 65°
Tripod Weight:46.2 lbs
Slew Speeds:9 slew speeds - 3°/second
Tracking Rates:Sidereal, Solar and Lunar
Tracking Modes:EQ North & EQ South
Other Features:Ventilation Fan, Dual Dovetail Mounting Bars
Number of Auxiliary Ports:4 Aux ports (Hand Control can use either Aux port)
Autoguide port:Yes
USB Port:Yes
Periodic Error Correction:Yes
Software:CPWI Telescope Control Software, Celestron Starry Night Special Edition Software, SkyPortal App
Included Items:42mm (1.65") T-thread camera adapter,48mm (1.89") camera adapter, Dust cover, Fan battery pack

Celestron 12074 Includes:
  • CGX-L Equatorial Head
  • CGX-L Tripod
  • Accessory Tray
  • 2 x 22 lbs Counterweights
  • NexStar+ Hand Control
  • Counterweight Shaft
  • 8mm Allen Wrench
  • 12V DC Power Cable
  • Hand Control Holster
The Celestron CGX-L 1100 Rowe-Ackermann Schmidt Astrograph has many exciting features for users of all types. It's one of FactoryOutletStore's best selling . See the Celestron CGX-L 1100 Rowe-Ackermann Schmidt Astrograph gallery images above for more product views. The Celestron CGX-L 1100 Rowe-Ackermann Schmidt Astrograph is sold as a Brand New Unopened Item.