Celestron CGEM-II 925 EdgeHD Aplanatic Schmidt-Cassegrain Telescope
Introducing the EdgeHD Telescope Series, Celestron’s new flagship telescope line... and the CGEM-II, Celestron's new and improved German Equatorial Mount!
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 CGX Pro and CGEM-II mounts keep the new Celestron HD series as the 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-II 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-II 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-II 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-II, 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. Furthermore, the CGEM-II now has a dual-saddle design that permits you to use both kinds of Dovetail Plate with the mount!
Performance - For objects near the Meridian (imaginary line passing from North to South), the Celestron CGEM-II mount will track well past the Meridian for uninterrupted imaging through the most ideal part of the sky. The CGEM-II 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-II 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-II 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
- Dual Saddle mount greatly increases versatility and flexibility.
Celestron Product Number: 12018
- Additional Information
SKU CE-12018 UPC Code 050234120180 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 CD ROMs Included NexRemote 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.
- Included Items
- Celestron CGEM-II 925 EdgeHD Aplanatic SCT Telescope
- 23mm Axiom Eyepiece
- 9X50 Finderscope
- 2" Star Diagonal
- CGEM-II Mount
- Adjustable, Stainless Steel Tripod
- Accessory Tray
- Car Battery Adapter
- NexRemote Controller
- RS-232 Communication Port
- NexStar Computer Control
- Permanent Programmable Periodic Error Correction (PPEC)
- Servo Motors
- Visual Back
- Questions & Answers
Product QuestionsYour ad for the Celestron CGEM II 925 EdgeHD states that a 23mm Axiom eyepiece is included. The Celestron web site states that this package includes the 23mm Luminos eyepiece. Please clarify whether you provide the Axiom or the Luminos series eyepiece.
- Support / Downloads