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This listing is for Model # 12020 Celestron Telescope RASA CGEM II 800, f/2.0, White, 12020 Product Code: CI-TS-CGEMR-12020 Model Number: 12020 Authorized Dealer International Shipping Restriction Due to eBay.com international selling policies, some items may be restricted for export. Please check the Shipping Details for this listing to see if Worldwide shipping is available. For more information on shipping and other policies, please see our Policy Page or contact us via phone or eBay's messaging system . Government Export Restriction This item may be regulated for export by the U.S. Department of State or the U.S. Department of Commerce. Please see our Export Policy prior to placing your order. Product Information Celestron 12020: Telescope RASA CGEM II 800, f/2.0, White
Features of Celestron Telescope RASA CGEM II 800, f/2.0:
- Flat field free of optical aberrations like field curvature
- astigmatism and chromatic aberration across an entire APS-C sensor.
- NEW Ultra-Stable Focus System six precision sealed ball bearings virtually eliminate image shift.
- Internal filter mount seamlessly accommodates a Light Pollution Imaging Filter into the optical path.
- Performs over a wider spectral range than most telescopes
- from 390-800 nm
- so more of the light passing through the astrograph is in sharp focus.
- The CGEM II
- with its 40 lb
- load capacity
- is the latest update to the venerable CGEM mount and provides a sturdy and rigid platform for the fully-loaded RASA 8.
- The drive system
- consisting of low cog DC Servo motors with integrated optical encoders
- steel worm gears supported by precision sealed bearings
- and brass worm wheels
- ensures smooth and accurate slewing and tracking.
- Proven NexStar+ computerized telescope control technology supports functions to address imagers needs
- such as All-Star Polar Alignment
- Permanent Periodic Error Correction (PPEC)
- and adjustable tracking through meridian.
- Optical Design: Rowe-Ackermann Schmidt Astrograph
- Aperture: 203mm (8")
- Focal Length: 400mm (15.74")
- Focal Ratio: f/2.0
- Central obstruction diameter: 93mm (3.66") (46% of aperture diameter)
- Light Gathering Power (Compared to human eye): 843x
- Resolution (Rayleigh): 0.68 arc seconds
- Resolution (Dawes): 0.57 arc seconds
- Image Circle: 22mm (.86")
- Useable field: 32mm (1.26")
- only minimal performance loss at edge of FOV
- Wavelength range: 390 - 800 nm
- Spot size: Included Accessories:
- CGEM II Equatorial Hea
- 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).
- Celestron Telescope RASA CGEM II 800, f/2.0
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Filed under: High-End Telescope Auctions (USA)