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Telescopes > Celestron > CGX > Celestron Schmidt-Cassegrain telescope SC 235/2350 EdgeHD 925 CGX GoTo
Product no.: 52299

Schmidt-Cassegrain telescope SC 235/2350 EdgeHD 925 CGX GoTo

$ 6,400.00 incl. VAT, plus shipping costs
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Product description

More about the series CGX...

The Celestron EdgeHD telescope: Corrected image - sharp right up to the edges!

EdgeHD is the name for Celestron’s “aplanatic Schmidt Cassegrain telescope”. After over 50 years of success, Celestron has revolutionised the classic Schmidt Cassegrain telescope.

EdgeHD telescopes ( "Edge High Definition") are true astrographs. This optical system delivers distortion-free, sharp images right to the edge of the visual field. This means that not only the coma outwith the optical axis is corrected, as is the case in currently available “coma-free” lens designs, but also field curvature.

Lots of optical systems are advertised as “astrographs”. As desired, they display stars with pin-sharp clarity, but along a curved image plane. Photographing this using a camera results in a noticeable image field curvature which rises towards the edge of the image field, resulting in increasing star size and aberations with larger sensors. The stars at the edge expand into small rings (“doughnuts”). As well as the coma, the Celestron Edge HD telescopes correct field curvature right up to the edge of the image. This also significantly improves resolution and magnitude limits in comparison to rival optical systems.

The XLT multi-coating helps to give the EdgeHD scopes a significant performance boost compared to similar systems on the market.

The Edge HD telescopes’ mechanisms and lens tube have been fully overhauled:

  • mirror clamps hold the primary mirror securely in any desired position without putting pressure on the optical elements. The image is stable, even during long exposure times.
  • Air vents behind the primary mirror provide fast air exchange so that the lens cools amazingly quickly. Thanks to an air filter system, dust is prevented from entering the lens tube.

CGX Equatorial Mount and Tripod:

For eight years, Celestron’s workhorse CGEM mount lineup has been the German Equatorial backbone for telescopes ranging from 6 to 11 inches of aperture. Since that time, many more astro-imagers and planetarium controlled setups have emerged as backyard telescope technology has evolved. Celestron’s engineering team applied their years of experience designing German Equatorial mounts to the all-new CGX EQ, a culmination of all the advancements made to our technologies, value, and ease-of-use.

All-new design:

  • 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 under heavy loads
  • 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 accessory ports remain stationary while the mount slews to avoid snags
  • Internal hard stops for both axes prevents cable tension and tripod strike
  • 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
  • Adjustable EQ head position to optimize center of gravity over the tripod and fully utilize the increased 3º-65º latitude range
  • Dual-fit CG-5/Vixen and CGE/Losmandy dovetail saddle

New improved tripod:

  • 2" steel legs with height index marks for quick leveling
  • "Jack of all trays" can hold three 1.25" eyepieces, two 2" eyepieces, your smartphone, or other accessories
  • Tripod legs can be collapsed with accessory tray installed for faster setup and transport

Electronics:

  • All-new NexStar+ hand control with USB port
  • Two AUX accessory ports to support wireless/WiFi alignment and operation with StarSense AutoAlign and SkyPortal WiFi Module accessories (sold separately)
  • USB 2.0 port, used to connect directly to PC with included software
  • Autoguider port
  • PPEC ready
  • Threaded 12VDC power input barrel connector
  • Internal Real Time Clock (keeps time and site information saved)

The new CGX was designed to better support your telescope for both visual and astro-imaging pursuits. Key design goals included a lower profile EQ head, which provides a more compact and therefore more stable setup; a better drive system; remote operation-friendly with home and limit optical sensors; easier polar alignment adjustments; and better cable management. In addition to that, we’ve made mechanical and ergonomic improvements throughout to make the mount sturdier, easier to use, and transport. The CGX is our new Equatorial backbone to support a wide range of telescopes.

Control software from PlaneWave Instruments for Celestron's CGX and CGX-L mounts:

PWI Telescope Control opens up the full precision of these mounts. A USB connection from the mount to your PC means the Sky Viewer display makes it easy to find targets. Or you can search for your targets in the extensive object database. PWI also has a connection to the SIMBAD astronomical online database for even more astronomical objects.

PWI uses PointXP Mount Modelling - providing numerous reference stars for the highest accuracy possible. PointXP (also used in the StarSense AutoAlign module) offers more accuracy than a classic hand control box. By using numerous reference stars, PWI can accommodate multiple alignment errors, including device deflection - as a result, GoTo accuracy is increased.

Features of PWI software

  • PointXP Mount Modelling, accepts as many reference stars as you want.
  • developed by Celestron in partnership with PlaneWave Instruments
  • future updates will include additional features and enhancements
  • Sky Viewer Star chart for easy location of astronomical objects
  • extensive object database, including online database

The software runs on Windows 7, 8 and 10. You can download it via the Downloads tab. You will also find an English-language manual in PDF format available there.

It not only matters which telescope you buy but also where you buy it. Our additional services:

  • We are a leading telescope dealer and know the devices we sell. Our customer service team will gladly help you after your purchase if you have problems with assembly or operation.
  • We provide a copy of the 80-page Telescope ABC beginners handbook with every telescope.
  • We also provide an edition of the exciting astronomy magazine, “Sterne und Weltraum” with each telescope.

Specifications

Optics


Type
Reflector
Type of build
EdgeHD-Cassegrain
Aperture (mm)
235
Focal length (mm)
2350
Resolving capacity
0,49
Light gathering capacity
1130
Max. useful magnification
470
Tube weight (kg)
9,53
Aperture ratio (f/)
10
Tube length (mm)
559
Tube material
Aluminium
Coating
Starbright XLT
Tube construction
Full tube

Reflector


Secondary mirror obstruction
36
Secondary mirror diameter (mm)
85
Ventilation for central mirror
yes

Focuser


Connection ( to eyepiece)
2
Type of build
SC thread

Mount


GoTo control
yes
Type of build
CGX
Load capacity (kg)
25
Mounting type
Equatorial
Weight (kg)
28,7
Encoder
yes
Power supply
12
Polar elevation setting (°)
3 - 65
Motors
Servomotors
Cable-guide
internal
Mounting saddle
Losmandy & Vixen

GoTo control


GPS
optional
Software
Nexstar+
GoTo Language
German, English, French, Spanish, Italian
Interfaces
2x Aux, USB 2.0, Autoguider
Tracking speeds
sideral, solar and lunar
Database
40.000
PEC correction
yes
WIFI
optional
Remote
Celestron PWI

Tripod


Accessory plate
yes
Type
Tripod
Material
Steel
Tripod leg diameter (mm)
51

Included accessories


2'' eyepieces
16mm
Deviating optics
2", 90° star diagonal
Polar finder scope <p>
no
Prism rail
Losmandy-Style
Dew Shield
no
Counterweights (kg)
2x 5
Power pack
no
cigarette lighter socket
yes
Transport cases
no
Eyepiece adaptor
1,25" - 2"
Finder scope
9x50

General


Series
CGX

Area of application


Astrophotography
yes (very good)
Moon & Planets
yes (very good)
Nature Observation
no
Nebulae & galaxies
yes
Sun
no (Only with appropriate Sun filter)

Recommended for


Beginners
no
Advanced
yes
Observatories
no

Recommended accessories

Telescope accessories > Prisms & Diagonal mirrors (5)
Diagonal mirror

TeleVue Diagonal mirror Everbrite SC 90° 2"

$ 730.00*
Telescope accessories > Focusers (3)
Focuser

Baader Focuser Diamond Steeltrack BDS-SC 2"

$ 395.00*
Telescope accessories > Dew shields & Ventilation (6)
Soft dew shield cap

Astrozap Flexible dew shield for Celestron EdgeHD-SC 235/2350 telescope

$ 162.00*
Telescope accessories > Cables & power supplies (9)
Power pack

Baader 60W / 12.8V / 5A outdoor power cable

$ 74.00*
Telescope accessories > Other (7)

noctutec Dark adaptation glasses for astronomers

$ 25.90*
Eyepieces (3)
Eyepiece

Omegon LE Series Eyepiece, 14.5mm, 1.25''

$ 149.00*
Eyepieces (4)
Eyepiece

Omegon SWA 38mm eyepiece, 2”

$ 179.00*
Eyepieces (4)
Eyepiece

Omegon Ultra Wide Angle eyepiece 9mm 1,25"

$ 69.00*
Eyepieces > Other (2)
Reticle eyepieces

Omegon Reticle eyepieces Illuminated crosshair eyepiece, 12.5mm

$ 89.00*
Filters > Moon filters & Polarizing filters (4)
Filters

Omegon Filters Variable grey filter 1.25"

$ 34.90*
Filters > Nebulae filters (8)
Filters

Omegon Filters Nebula/ city light filter 1.25 ''

$ 39.90*
Filters > Other (1)
Filters

Omegon Filters Color filter set 1,25'' (6 pieces)

$ 69.00*
Astrophotography > Camera adaptor (7)
Adaptors

Celestron Adaptors T adapter for EdgeHD 9.25"/11"/14"

$ 118.00*
Astrophotography > Camera mounts (4)

Omegon Easypic Universal Smartphone Adapter

$ 129.00*
Astrophotography > Guiding (3)
Off-Axis-Guider

Celestron Off-Axis-Guider Deluxe

$ 453.00*
Astrophotography > Other (3)

Celestron Off-axis guider adapter for full-format cameras

$ 31.90*
Mountings & accessories > Controls (4)

Celestron WLAN-Modul SkyPortal Wi-Fi

$ 172.00*
Mountings & accessories > Other (7)
Counterweight

Celestron 5kg counterweight for CGEM

$ 118.00*
Observatories (1)

Omegon Tent observatory

$ 189.00*
Media (2)
Star chart

Omegon Star chart Planisphere

$ 14.90*
Outdoor (2)
Headlamp

Omegon LED headlamp

$ 13.90*
Astronomy (1)

Omegon 2'' filter wheel

$ 189.00*
Globes & Maps (1)
Continental map

Oculum Verlag Sky Quality Map Europe

$ 18.90*
Maintenance & Cleaning > Lens cleaners (4)

Celestron Professional lenses cleaning set

$ 25.90*
Maintenance & Cleaning > Other (2)

Omegon microfibre cleaning cloth 20cm x 20cm

$ 4.90*

*All prices include VAT plus shipping costs.

Celestron Schmidt-Cassegrain telescope SC 235/2350 EdgeHD 925 CGX GoTo
Toothed belt drive

Celestron Schmidt-Cassegrain telescope SC 235/2350 EdgeHD 925 CGX GoTo
Convenient carrying handle

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