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Celestron CGX-L Rasa 11
[CGX-L rasa]

Prijs: 7.900,00 EUR

 

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Product Details

Celestron 11" RASA optical tube assembly with CGX-L computerized equatorial mount

Astrograph Features
  • Ultra-fast, 11-inch f/2.2 optical design with rare-earth glass for images free of false color, coma, and field curvature.  Cuts imaging time by more than half
  • Expansive 43.3 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.
  • Custom engineered linear brass focuser bearing reduces image shift, while dual-speed 10:1 FeatherTouch Micro Focus Knob provides the most precise focusing
  • Quiet, high-output 12V MagLev fan reduces cooldown time and blocks dust
  • Common camera adapters (T-thread and M48) included for easy attachment to popular CCD and DSLR cameras

Computerized Mount Features:
  • New CGX-L Features
  • Increased 75 lb load capacity.  Exceptional load capacity to weight ratio
  • Additional Aux accessory ports and autoguider port on the Dec axis for better cable management
  • Larger 144 mm diameter worm wheels to better and more accurately drive heavier loads
  • Longer 270 mm dovetail saddle to better support larger optical tubes
  • Massive 70 mm stainless steel tripod legs with a wider stance for improved stability under heavy loads
  • New accessory tray holds three 1.25” and two 2” eyepieces with an upright stand for your smartphone or tablet
  • Heavy duty, 31.5 mm stainless steel counterweight shaft to support additional counterweights
  • Optional add-on polar axis finderscope custom designed for CGX and CGX-L
  • Supports WiFi and wireless operation accessories such as StarSense AutoAlign and SkyPortal WiFi Module (sold separately)

Mount Features:
  • Compact, lower profile equatorial head provides improved stability and portability. Sturdier and more rigid with quicker dampening time
  • Improved motors provide more torque, better slewing and tracking under heavy loads
  • Heavy duty belt-drive system minimizes backlash while providing smooth motor operation at full capacity
  • Clear windows built into motor covers so pulleys and belts can be monitored
  • Spring-loaded brass worm wheel and stainless steel worm gear reduce friction and provide optimum gear mesh
  • Internal cabling for worry-free remote operation. Power input and lower accessory ports remain stationary while the mount slews to avoid snags
  • Internal hard stops for both axes prevent cable tension and tripod strike
  • Internal optical sensors on both axes for simple and safe remote operation
    • Home sensors allow the mount to always start in the index position regardless of orientation before a power reset
    • Limit sensors automatically shut off slewing or tracking before reaching the hard stop fail safe
  • Includes Celestron's new PWI telescope control software, co-developed by PlaneWave Instruments.  Software features multi-point mount modeling for extremely precise pointing accuracy
  • Software Polar Align: “All-Star Polar Alignment” allows quick and very precise polar alignment. Align on any bright named star without extra polar alignment accessories, apps, or other assistance
  • Adjustable EQ head position to optimize center of gravity over the tripod and fully utilize the increased 3º-65º latitude range
  • Dual-fit Vixen/CG-5 and Losmandy/CGE dovetail saddle
  • +20º of additional tracking past the meridian on either side
  • Redesigned tripod has a widened stance for added stability. The minimum tripod height has also been lowered per user feedback
  • Tripod legs can be collapsed with accessory tray installed for faster setup and transport

Improved Ergonomics:
  • Integrated handles for easy transport and portability
  • All-new ergonomically designed dovetail clamping knobs
  • Innovative and improved polar alignment adjustment system
  • All-new ergonomic adjustment knobs with reduced friction for smooth and easy positioning under full loads. Stationary latitude knob with a newly-designed linkage system greatly reduces the amount of friction when polar aligning the mount. Redesigned azimuth adjustment with low-friction Teflon bearings to make adjustments easy under full load.  No more binding, rough adjustments!
  • Easy to read latitude scale

Electronics:
  • NexStar+ hand control with USB port
  • USB 2.0 port used to connect directly to PC with PWI Software
  • 2 available autoguider ports for optimum cable management
  • PEC sensor and PPEC ready
  • Threaded 12VDC power input barrel connector
  • Internal Real Time Clock (keeps time and site information saved)
  • On/Off rocker switch with red LED
Product Specificaties

Optical Tube Info: 
Optical DesignRowe-Ackermann Schmidt
Aperture (mm)279 mm (11 in)
Focal Length620 mm
Focal Ratio2.22
Backfocus from front lens assembly72.8 mm
Backfocus from included camera adapters55 mm
Central obstruction diameter114mm
FinderscopeNot Included
Light Gathering Power (Compared to human eye) 1588x
Optical Coatings StarBright XLT
Total Telescope Kit Weight143 lb
Included ItemsTotal Telescope Kit Weight
Resolution (Rayleigh)0.5 arc seconds
Resolution (Dawes)0.41 arc seconds
Optical Tube Length33in
Mount Info: 
MountGerman Equatorial
Instrument load capacity 75 lb
Tripod height adjustment range35.75” to 52.75”
Tripod leg diameter2.75"
Latitude adjustment range3º-65º
Tripod Weight46.2 lb
EQ Head Weight w/o Counterweight Shaft47 lb
Total EQ Head Weight52.6 lb
Max Slew Speed4º/second (3º/second is default)
Tracking RatesSidereal, Solar and Lunar
Number of Auxiliary ports (for hand control and accessories)4
Autoguide portYes
USB PortYes
SoftwarePWI Telescope Control Software
Included Items  
CGX-L Equatorial Head
CGX-L Tripod
Accessory Tray
2 x 22 lb Counterweight
NexStar+ Hand Control
DC Power Cable (plugs into cigarette lighter socket)
8 mm Allen Wrench (contained in rear carry handle)
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