The CGEM II 1100 Schmidt-Cassegrain Telescope features Celestron’s premium StarBright XLT coated optics and the newly redesigned CGEM II computerized equatorial mount. With the optical tube assembly of the CGEM II 1100 weighing only 27.5 lbs., this telescope is still portable enough to be taken to dark skies, and it has 89% more light gathering power than an 8" telescope and more than 40% more than the 9.25".
This telescope is especially at home as a solid platform for long exposure photography with optional CCD cameras or photographic equipment; it is a serious scientific research tool that comes with Celestron's premium StarBright XLT coatings.
A fresh update to the venerable CGEM mount, the CGEM II has a fresh, attractive, bold appearance and is capable of carrying Celestron’s higher-end SCT optical tubes (up to 11") securely and vibration free, which is ideal for both imaging and visual observing. Capable of holding 40 lbs. of payload and slewing at 5° per second, you will be able to instantly point to any of the celestial objects in the database.
CGEM II was designed to be ergonomically friendly with large Altitude and Azimuth adjustment knobs for quick and easy polar alignment adjustment. The internal RA and DEC motor wiring provides a clean look and an easy and trouble free set up.
The CGEM II series features Celestron’s innovative Polar alignment procedure called All-Star™. All-Star allows users to choose any bright star, while the software calculates and assists with polar alignment. Another great feature of the CGEM II sure to please astroimagers, is the Permanent Periodic Error Correction (PEC) which will allow users to train out the worm gears periodic errors, while the mount retains the PEC recordings.
For objects near the Meridian (imaginary line passing from North to South), the CGEM II will track well past the Meridian for uninterrupted imaging through the most ideal part of the sky. The CGEM II mount has a robust database with over 40,000 objects, 100 user defined programmable objects and enhanced information on over 200 objects. Celestron's CGEM II mount is the perfect fit between the Advanced Series and CGE Series. Offering the portability of the Advanced Series and the precision of the CGE.
|Aperture||279.4 mm (11")|
|Focal Length||2800 mm (110")|
|Focal Length of Eyepiece 1||40 mm (1.57")|
|Magnification of Eyepiece 1||70x|
|Star Diagonal||1.25" Star Diagonal|
|Highest Useful Magnification||660x|
|Lowest Useful Magnification||40x|
|Limiting Stellar Magnitude||14.7|
|Resolution (Rayleigh)||0.5 arc seconds|
|Resolution (Dawes)||0.42 arc seconds|
|Light Gathering Power (Compared to human eye)||1593x|
|Secondary Mirror Obstruction||95 mm (3.75")|
|Secondary Mirror Obstruction by Diameter||34%|
|Secondary Mirror Obstruction by Area||12%|
|Optical Coatings||StarBright XLT|
|Optical Tube Length||610 mm (24")|
|Optical Tube Weight||27.5 lbs (12.4 kg)|
|Dovetail||CGE Dovetail Bar|
|Mount Type||Computerized Equatorial|
|Instrument load capacity||40 lbs (18 kg)|
|Height adjustment range (includes mount and tripod)||1346 - 1651 mm (53 – 65")|
|Tripod Leg Diameter||50.8 mm (2") Steel tripod with graduated markings on lower section|
|Latitude adjustment range||15° - 70°|
|Total EQ Head Weight||41 lbs (18.6 kg)|
|Tripod Weight||20 lbs (9 kg)|
|Weight of Counterweights||1 x 17 lbs|
|Slew Speeds||9 slew speeds|
|Tracking Rates||Sidereal, Solar and Lunar|
|Tracking Modes||EQ North & EQ South|
|Dovetail Compatibility||Dual saddle plates (Vixen and CGE saddle)|
|Number of Auxiliary ports||2 (1x Hand control port and 1x AUX Port for optional accessories)|
|Power Requirements||12 VDC, 3.2 amps|
|Motor Drive||Low cog DC servo motors|
|Alignment Procedures||AutoAlign, 2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align|
|Periodic Error Correction||Yes|
|Computer 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|
|Software||Starry Night Special Edition|
|Included Accessories||CGEM II Equatorial Head|Tripod|Accessory Tray|1 x 17 lbs counterweight|NexStar+ Hand Control|DC Power Cable (plugs into cigarette lighter socket)|8 mm Allen wrench (contained in rear carry handle)|
**United States Shipping Only**