Telescope Celestron CGX-L 925 EDGE HD.
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The CGX-L computerized equatorial mount is the latest design from Celestron to join our range of computerized equatorial mounts. Capable of holding the largest optical tubes in the world Celestron the CGX-L is designed for observations even with remote cameras thanks to its exceptional load-to-weight ratio. They also incorporate a compact design and innovative features to support large telescopes, astrophotography equipment and the latest in wireless technology.
The main objectives of the new design include a 144 mm diameter ring gear that provides more precise guidance even under heavy loads. It includes a 270 mm dovetail to support larger optical tubes. Also wifi support with accessories incorporating features such as Polar alignment and automatic detection of the Sky Portal module, and better overall cable management. In addition, mechanical and ergonomic improvements have been made to make the mount more robust, easier to use and easier to transport. The CGX-L is COMPACT, ERGONOMIC AND INNOVATIVE.
New CGX-L features:
Increased load capacity of 34kg. Exceptional load capacity in relation to weight
Additional auxiliary ports and autoguiding port on the declination axis for better cable management
Larger 144 mm diameter worm gears for better and more precise displacement of heavier loads
270 mm dovetail to better support larger optical tubes
70 mm solid stainless steel tripod legs with wider spread for better stability under heavy loads
New accessory tray holds three 1.25" and two 2" eyepieces with a vertical holder for your smartphone or tablet
31.5 mm stainless steel counterweight shaft to support additional counterweights
Specially designed polar finder option for CGX and CGX-L
Supports wireless and WiFi operating accessories, such as StarSense AutoAlign and SkyPortal WiFi Module (sold separately)
Compact, lower profile equatorial head provides improved stability and portability. Stronger and stiffer with faster acclimatization time
Improved motors provide more torque, better turning and tracking under heavy loads
Belt drive system minimizes backlash while providing smooth engine operation at full capacity
Transparent windows integrated into the motor covers so that pulleys and belts can be monitored
Spring-loaded brass worm wheel and stainless steel worm gear reduce friction and provide optimum engagement
Internal wiring for worry-free remote operation. Power inlet and lower accessory ports remain stationary while the mount rotates to avoid jamming
Internal stops for both axes prevent cable strain and impact with the tripod
Internal optical sensors on both axes for simple and safe remote operation
Sensors allow the mount to always start at the index position, regardless of orientation before a power restart
Limit sensors automatically turn off the rotation before the physical stop of the mount is reached
It includes the new PWI telescope control software from Celestron, developed by PlaneWave Instruments. The software features multi-point mount modeling for extremely accurate pointing precision
Polar Align Software: "All-Star Polar Alignment" enables fast and highly accurate polar alignment. Aligns to any bright star without additional polar alignment accessories, applications or other assistance
Adjustable equalizing head position to optimize the center of gravity on the tripod to fully utilize the full latitude range, increased from 3° - 65°
Double dovetail bra Vixen / CG-5 and Losmandy / CEM
+ 20° of additional tracking beyond the meridian on either side
The redesigned tripod allows for wider deployment for greater stability. The minimum tripod height has also been reduced
Tripod legs can be collapsed with the accessory tray installed for faster setup and transportation
Improved ergonomics
Integrated handles for easy carrying and portability
New ergonomically designed dovetail clamping levers
Innovative and improved polar alignment adjustment system
All-new ergonomic adjustment levers with reduced friction for smooth and easy positioning under heavy loads.
Redesigned azimuth adjustment with low-friction Teflon bearings for easy adjustments under heavy loads
Easy-to-read latitude scale
NexStar + controller with USB port
USB 2.0 port used to connect directly to the PC with PWI software
2 automatic control ports available for optimal cable management
PEC and PPEC sensor
12 VDC threaded power input connector
Real-time internal clock (stores time and location information)
On/off rocker switch with red LED
Optical tube:
See the universe in HD. EdgeHD is a Schmidt Aplanatic telescope designed to provide aberration-free images over a wide field of view and photographic field of view. The optical system was designed to reduce not only the off-axis coma effect, but also to provide a completely uniform photographic focal plane over the entire field of view.
True astrographic quality. Many self-described "astrographic" quality optical designs actually produce point stars along a curved focal plane. While this may be acceptable in visual observations, stars will appear out of focus at the edges when using flat CCD sensors of digital cameras. EdgeHD optics produce a focal plane three times more uniform than that offered by classic Schmidt-Cassegrain telescopes and radically flatter than other coma-free designs. This ensures that the user will get perfectly sharp images across the entire field of the largest CCD sensors currently available.
Even when the object is perfectly defined in the center of the field of view, a curved focal plane will produce out-of-focus images at the edges. The wider the field of view the more pronounced the defects.
The performance of the EdgeHD design not only provides timely and pleasing images, but also improves resolution and magnitude limit relative to other telescopes of similar apertures. The high-definition optics of Celestron allow small spot sizes to be resolved over the entire field, revealing fine details and high contrasts.
EdgeHD optics provide smaller (more concentrated) stars that create brighter images and allow fainter magnitudes to be achieved relative to other telescopes of similar sizes. Poor image quality at the edges can widely scatter the starlight to match the brightness of the sky background, making the stars undetectable to the eye or a camera. With EdgeHD optics the user will be able to capture the faintest galaxies over the entire sensor field of a camera.
Each optical surface of the telescopes Celestron is coated with the XLT coating. EdgeHD series models offer maximum light transmission across the entire field of view and photographic spectrum.
In addition to the new optimized optical design, the EdgeHD series tubes have been redesigned to provide the best possible performance for every observation. Flexible tension clutches hold the mirror in position and reduce image wobble as the tube rotates around the mount. The flexible rods hold the mirror in position without exerting any pressure or force on the mount, keeping the image centered in the eyepiece (or chip).
Two vents at the rear of the tube allow hot air to be expelled from the primary mirror. Each vent has an integrated 60-micron micro-mesh filter that allows the air to be expelled without letting dust particles fall inside.
The EdgeHD series includes today's most versatile telescopes. With the classic f/10 the user can obtain the image scale needed to capture the smallest deep sky objects. With an optional dedicated reducer it is possible to increase the field of view without sacrificing optical performance. A barlow lens provides the added magnification needed for high planetary, lunar and solar imaging resolutions. And all EdgeHD optical tubes are compatible with the Fastar system for ultra-fast wide-field imaging - f/2. Each tube is supplied with a removable secondary mirror and is opto-mechanically aligned on a laser optical bench to ensure they are axially symmetrical in any configuration.
With their precision manufactured mechanical parts and spherical secondary mirror, EdgeHD optics can be easily and accurately collimated so that the user can take advantage of the tremendous potential these instruments possess.
Technical specifications tube:
- Schmidt-Cassegrain APLANATIC optical design - 235m Ø FASTAR
- Aluminum frame
- Starbright XLT optical treatment
- 2350mm focal length (f/10)
- Included 23mm (102x) eyepiece - 31,8mm Ø
- Eyepiece holder for 31.8mm Ø accessories
- Searcher 9x50mm with clamp
- 90° zenithal prism - 2" and 31.8mm Ø adapter for comfortable and convenient viewing position
- Includes a dovetail stage compatible with CGEM and CGE Pro mounts
- 1127x light capture (naked eye)
- Focusing with primary mirror shift
- Tube length: 56mm
- Weight: 9,5Kg
- Eyepiece holder: 31.8mm Ø
- CGEM/CGE Pro dovetail tube holder
Summary of the mount:
- German Equatorial Saddle
- Load capacity of 34 Kilos
- Tripod height range: 91-142 Centimeters
- Diameter of tripod feet: 7 Centimeters
- Latitude range: 3º-65º
- Tripod weight: 21 Kilos
- Equatorial head, shaft and counterweight weight: 22 Kilos
- Total weight equatorial head: 24 Kilos
- Maximum rotational speed: 4º/second (3º/second default)
- Tracking Types: Sidereal, Solar and Lunar
- Number of auxiliary ports: 4
- Autoguiding port. Yes
- USB port: Yes
- Software Celestron PlaneWave Instruments
- Computerized hand control: Dual-line, 16-character liquid crystal display; 19 backlit LED buttons, USB 2.0 port for PC connection
- NexStar+ database: More than 40,000 objects, 100 user-defined programmable objects. Enhanced information on more than 200 objects
Items included:
- CGX-L Equatorial head
- CGX-L Tripod
- Object holder tray
- 1 Counterweight
- NexStar+ Controller
- DC Adapter cable (cigarette lighter socket)
- 8 mm Allen wrench (located in the rear carrying handle)
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Telescope Celestron CGX-L 925 EDGE HD.
