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Celestron CGEM 925 EdgeHD Telescope

Item # CE-11081

Availability: In stock

$3,499.00
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Quick Overview

  • The Celestron CGEM 925 EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view.
  • The EdgeHD optical system was designed to provide an astrograph quality flat focal plane.
  • The Celestron CGEM 925 EdgeHD guarantees you visibly sharp stars across some of the largest CCD chips available today.
  • The internal RA and DEC motor wiring provides a clean look and an easy and trouble free set up.
  • The Celestron CGEM 925 EdgeHD includes Celestron's StarBright XLT coating for maximum light throughput.

Celestron CGEM 925 EdgeHD Aplanatic Schmidt-Cassegrain Telescope

Introducing the EdgeHD Telescope Series, Celestron’s new flagship telescope line...

Celestron has taken another bold step as the market leader in telescopes with the introduction of our latest series of high-end telescopes. Since the moment Celestron first started producing Schmidt Cassegrain optical systems, they have continued to design high-quality optics with pride. After years of research and development, Celestron has now taken one giant step!



The Edge HD is Celestron’s latest innovation that will surely be the system of choice for the serious astro-imagers. The new Edge High Definition telescope series features an Aplanatic Schmidt optical system that produces pinpoint star images all the way to the edge of the field. Some optical systems currently on the market may produce coma free images. But there is a difference.... the optical difference. Not only is the Celestron Edge coma free, but it also has a built in field flattener to ensure sharp focus all the way to the edge of the field, producing true Astrograph quality images. This results in pinpoint, High Definition star images throughout your astro photograph.

These superior features combined with Celestron's recently introduced CGE Pro and CGEM mounts make the new Celestron HD series the new gold standard in Astro Imaging. The EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view. The optical system was designed to reduce more than just off-axis star coma, but also to give an astrograph quality flat focal plane all the way to the edge of the field of view.

Many optical designs that advertise themselves as “astrograph” quality actually only produce pinpoint stars across a curved focal plane. While this may be acceptable for visual observing, stars will appear out of focus at the edge when used with a flat chip sensor of a digital camera. EdgeHD optics produce a focal plane more than three-times flatter than a standard Schmidt Cassegrain telescope and dramatically flatter than other competing coma-free designs. This guarantees you visibly sharp stars across some of the largest CCD chips available today.

Now let's talk about Celestron quality...

The Celestron CGEM mount has a fresh, attractive, bold appearance and is capable of carrying Celestron’s higher-end SCT optical tubes (up to 11") securely and vibration free which is ideal for both imaging and visual observing.

Ergonomic Design - The Celestrom CGEM mount was designed to be ergonomically friendly with large Altitude and Azimuth adjustment knobs for quick and easy polar alignment adjustment. The internal RA and DEC motor wiring provides a clean look and an easy and trouble free set up.

Innovation - The Celestron CGEM series has a new innovative Polar alignment procedure called All-Star (patent pending). All-Star allows users to choose any bright star, while the software calculates and assists with polar alignment. Another great feature of the CGEM 91526, sure to please astroimagers, is the Permanent Periodic Error Correction (PEC) which will allow users to train out the worm gears periodic errors, while the mount retains the PEC recordings.

Performance - For objects near the Meridian (imaginary line passing from North to South), the Celestron CGEM mount will track well past the Meridian for uninterrupted imaging through the most ideal part of the sky. The CGEM 91526 mount has a robust database with over 40,000 objects, 400 user defined programmable objects and enhanced information on over 200 objects.

Celestron's CGEM 91526 mount is the perfect fit between the Advanced Series and CGE Series. Offering the portability of the Advanced Series and the precision of the CGE.

Superior mount performance combined with superior edge performance not only creates rounder, more pleasing stars but actually improves the resolution and limiting magnitude when compared to telescopes of equal aperture. When it comes to the Celestron HD series coupled with Celestron’s StarBright XLT coating group on every surface, EdgeHD optics gives you maximum light throughput across the widest visual and photographic spectrum... It's a vision you'll never forget.

Celestron CGEM 925 EdgeHD Aplanatic Schmidt-Cassegrain Telescope Features...

  • 9.25 EdgeHD Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2350mm focal length (f/10)
  • 23mm Axiom 2" eyepiece included (102x)
  • 9x50 finderscope to help accurately find objects
  • 2" diagonal provides more comfortable viewing position when observing objects that are high in the sky
  • Mirror Support Knobs hold the mirror in place and reduces image shift during imaging.
  • Tube vents with integrated 60 micron mesh filter allowing hot air to be released from behind the primary mirror.
  • Fastar Compatible optical tubes are equipped with a removable secondary mirror for fast f/2 ccd imaging
  • Includes dovetail rail compatible with CGE mount
Celestron Product Number: 11081
SKU CE-11081
Manufacturer Celestron
Telescope Series Celestron CGEM
Optical Design Corrected Schmidt-Cassegrain
Mount Type Equatorial - GoTo
Warranty 2 Year Warranty
Telescope Aperture 9.25"
Telescope Focal Ratio f/10
Telescope Focal Length 2350mm
Limiting Stellar Magnitude 14.4
Highest Useful Magnification 555x
Optical Coatings Celestron XLT
Tube Color or Finish Celestron Oyster Pearl
Optical Tube Outer Diameter Not supplied by manufacturer
Length of Optical Tube 22"
Optical Tube Weight 21 lbs.
Mount Weight 41 lbs.
Dew Shield Included? No, Sold Separately
Diagonal Included? Yes - 2" Star Diagonal
Finder Included 9 x 50 Optical Finder
Eyepiece(s) Included 23mm
Hand Controller Included? Yes
Power Adapter Included DC Cigarette Lighter Adapter
GPS Included? No
CD ROMs Included NexRemote
Case Included? No
Counterweights Included (1) 11 lbs., (1) 17 lbs.
Alignment Procedure 1-Star Alignment, 2-Star Alignment, Last Alignment Used, Quick Align, Solar System Align
Tracking Modes EQ North, EQ South
Objects in Database 40,000 objects
OTA Mount Type N/A
Tripod Type Included Adjustable with Steel Legs
Total Telescope Weight 113 lbs.
  • Celestron CGEM 925 EdgeHD Aplanatic SCT Telescope
  • 23mm Axiom Eyepiece
  • 9X50 Finderscope
  • 2" Star Diagonal
  • CGEM Mount
  • Adjustable, Stainless Steel Tripod
  • Accessory Tray
  • Car Battery Adapter
  • Counterbalance
  • NexRemote Controller
  • Cables
  • Software
  • RS-232 Communication Port
  • NexStar Computer Control
  • Permanent Programmable Periodic Error Correction (PPEC)
  • Servo Motors
  • Encoders
  • Visual Back

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