Télescope pour l'astronomie SC 11'' avec Monture CGEM II - Celestron
Télescope pour l'astronomie SC 11'' avec Monture CGEM II - Celestron
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The CGEM II SC 11'' telescope is equipped with Celestron's StarBright XLT optical coating and the computerized equatorial mount CGEM II. This telescope is particularly comfortable for long-exposure photography with CCD cameras or photographic equipment.
Attractive and bold, the CGEM II mount is capable of securely supporting Celestron's high-end SCT optical tubes (up to 11'') without vibration, making it ideal for visual and photographic observation. Capable of supporting a load of 18 kg and rotating at 5° per second, you will be able to instantly point to any celestial object in the database.
The CGEM II was designed to be ergonomic, with large latitude and azimuth adjustment screws for quick and easy polar alignment. The internal wiring of the AD and Dec motors provides a clean look and easy, trouble-free installation.
The CGEM II series is equipped with Celestron's innovative All-Star polar alignment procedure. All-Star allows you to precisely align the mount on any star, even if the celestial pole is not visible. Another feature of the CGEM II that will certainly please astrophotographers is the permanent correction of periodic errors (PEC).
For objects near the meridian, the CGEM II mount will track the path well beyond the meridian for uninterrupted imaging in the most ideal part of the sky. The CGEM II mount has a robust database with over 40,000 objects, 100 programmable objects, and enhanced information on over 200 objects. Celestron's CGEM II mount is the perfect complement between the Advanced VX series and the CGX series.
- Optical design: Schmidt-Cassegrain (SC)
- Diameter: 279 mm
- Focal length: 2800 mm
- Aperture ratio: F/10
- Minimum magnification: 40x
- Maximum magnification: 660x
- Limiting stellar magnitude: 14.7
- Light-gathering power: 1593x
- Resolution power - Rayleigh: 0.5 arcseconds
- Resolution power - Dawes: 0.42 arcseconds
- Primary mirror type: Spherical concave
- Secondary mirror type: Hyperbolic convex
- Secondary mirror obstruction diameter: 95 mm
- Secondary mirror obstruction: 34%
- Optical coatings: StarBright XLT
- Focusing system: Knob
- Eyepiece holder diameter: 31.75 mm
- Female diagonal adapter diameter: 31.75/50.8 mm
- Eyepiece 1 focal length: 40 mm
- Eyepiece 1 magnification: 70x
- Finder scope: 9x50 straight
- Optical tube material: Aluminum
- Dovetail bar: Losmandy/CGE
- Optical tube dimensions: 610 x 312.42 mm
- Optical tube weight: 12400 g
- Mount model: CGEM II - Celestron Motorized Go-To Equatorial Mount
- Load capacity: 18 kg
- Recommended load for astrophotography: 12 kg
- Latitude adjustment range: [15; 70]°
- Tracking mechanism: Motorized and controlled via hand controller
- Motorization: Included (Go-To)
- Motor type: DC servo motors
- Maximum slewing speed: 4.5°/s
- Polar tracking: Equatorial, Northern and Southern Hemisphere
- Periodic Error Correction (PEC): Yes
- Control interface: NexStar +
- Database: NexStar+ Over 40,000 objects
- Alignment procedures: Two-star alignment, One-star alignment, Solar System alignment, Last alignment, Quick alignment
- Compatible software: Celestron Starry Night Special Edition Software and SkyPortal App
- Polar scope compatibility: Yes
- Auxiliary port(s): 2
- Autoguide port(s): 1
- Mini USB-B port(s): 1 (on the hand controller)
- Accessory tray: Yes
- Dovetail compatibility: Vixen/CG-5 and Losmandy/CGE
- Required power supply: 12 V; 3.2 A
- Included counterweights: 2 x 7700 g
- Tripod leg material: Stainless steel
- Tripod leg diameter: 50.8 mm
- Height range (mount and tripod): [1346, 1651] mm
- Tripod weight: 9000 g
- Mount weight: 18140 g
- Included accessories: Cigarette lighter power cable C-18769
- Total kit weight: 47800 g
- StarBright XLT optical coating for better clarity and contrast
- Motorized Go-To equatorial mount for precise tracking of celestial objects
- High load capacity to support heavy optical tubes
- All-Star polar alignment for precision even without visibility of the celestial pole
- Permanent correction of periodic errors (PEC) for sharp images
- Robust database with over 40,000 objects
- Compatibility with various astronomy software
- Cigarette lighter power cable C-18769
SKU: celestron-C12012
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