Celestron CGEM II 1100 SCT

Schmidt-Cassegrain Telescope

Brand New Includes Two Year Warranty
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  • Technical Features

Technical Features for Celestron CGEM II 1100 SCT

The Celestron CGEM II 1100 SCT is a 11-inch Schmidt-Cassegrain telescope with premium StarBright XLT coatings and fully computerized German equatorial mount with high-performance worm gears and motors for improved slewing & tracking. It has 9x50 mm optical finderscope to find objects of interest without being tethered by skills and starcharts. This telescope can take advantage of Built-in Polar Alignment and autoguider support to track through long exposures using permanently programmable periodic error correction.

The Celestron CGEM II 1100 SCT features Computerised hand control that offers 19 fiber optic backlit LED buttons. The low cog DC Servo motor with integrated optical encoders offer smooth, quiet operation. It's designed to be ergonomically friendly with large altitude and Azimuth adjustment knobs for quick and easy polar alignment adjustment.

CGEM II 1100 SCT Features:

  • 11 Inch Aperture (279.4mm)
  • Computerized With 40,000 Accessible Objects
  • 660x Maximum Magnification
  • Single Dedicated Autoguider Communication Port
  • Computerized Hand Control
  • Focal Length: 2800mm, f/10.0 Focal Ratio
  • 9x50 Finderscope
  • StarBright XLT Coating
  • 1 AUX Communication Ports
  • Built-in Polar Alignment
    - Allows To Align On Any Star in Sky
    - Making Alignment Process Fast & Easy
  • 2" Steel Tripod
  • German Equatorial Mount


Optical Design: Schmidt-Cassegrain
Aperture (mm): 279.4 mm (11 in)
Focal Length: 2800 mm (110 in)
Focal Ratio: 10
Focal Length of Eyepiece 1 (mm): 40 mm (1.57 in)
Magnification of Eyepiece 1: 70 x
Finderscpoe: 9x50
Star Diagonal: 1.25
Optical Tube: Aluminum
Highest Useful Magnification: 660 x
Lowest Useful Magnification: 40 x
Limiting Stellar Magnitude: 14.7
Resolution (Rayleigh): 0.5 arc seconds
Resolution (Dawes): 0.42 arc seconds
Light Gathering Power (Compared to human eye): 1593 x
Secondary Mirror Obstruction: 3.75 in (95 mm)
Secondary Mirror Obstruction by Diameter: 0.34
Secondary Mirror Obstruction by Area: 0.12
Optical Coatings: StarBright XLT
Optical Tube Length: 24 in (610 mm)
Optical Tube Weight: 27.5 lbs. (12 kg)
Dovetail Compatibility: CGE Mount
Mount Type:German Equatorial Mount
Tripod: 2” Steel Tripod with Graduated Markings on Lower Section
Dovetail Mount: Directly connects to both CG-5 & CGE dovetail bars
Payload Capacity: 40 lbs
Latitude Range: 15º – 70º
Power Requirements: 12 VDC, 3.2 amps
Ports: 1x Hand control Port, 1x Auxiliary Port, 1x Auto Guider Port, 1 USB 2.0 Port (on hand control)
Motor Drive:Low Cog DC Servo Motors
Slew Speeds:9 Slew Speeds
Tracking Rates: Sidereal, Solar & Lunar
Tracking Modes: EQ North and EQ South
Alignment Procedures: AutoAlign, 2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align
Computerized Hand Control: Double line, 16 character Liquid Crystal Display; 19 Fiber Optic Backlit LED Buttons, USB 2.0 Port for PC Connection
Database: 40,000+ objects, 100 User Defined Programmable Objects. Enhanced Information on over 200 objects
Mount Weight: 40 lbs
Tripod Weight: 20 lbs
Weight of Counterweight: 2 x 17 lbs counterweight
Total Weight of Mount Kit: 77 lbs
The Celestron CGEM II 1100 SCT has many exciting features for users of all types. It's one of FactoryOutletStore's best selling . You can extend the lifetime of your Celestron CGEM II 1100 SCT with the purchase of a FactoryOutletStore Factory Protection Plan. See the Celestron CGEM II 1100 SCT gallery images above for more product views. FactoryOutletStore stocks a full line of accessories like Celestron SkyPortal Wi-Fi Module, Mount Kit, and PowerTank for the Celestron CGEM II 1100 SCT. The Celestron CGEM II 1100 SCT is sold as a Brand New Unopened Item.