Celestron 9.25" Schmidt-Cassegrain OTA with CGE Mount Plate

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  • 9.25 Inch Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube, Only 20 pounds
  • 2350 mm focal length
  • f/10 focal ratio
  • Visual back allows for use with 1.25 Inch accessories
  • Includes 3 Inch dovetail plate compatible with CGE mounts



Celestron 9.25" Schmidt-Cassegrain OTA with CGE Mount Plate

The Celestron C9.25-A-XLT Schmidt-Cassegrain Optical Tube Assembly(OTA) at 235 mm (9.25 Inches) aperture, is available individually to be used with your favorite mount. Each OTA is made to the same exacting standards as those used on all their high-quality telescopes. All optical surfaces are coated with StarBright XLT coatings. These tube assemblies are equipped with the same dovetail mounting bar as used on the CGE Pro or CGEM series for easy attachment to a variety of popular mounts.

Besides seeing all of the Messier Catalog objects, you can also see hundreds of other, less famous, but equally interesting NGC, IC, and Caldwell objects. Turn this scope to the planets and see amazing detail on the surface of Jupiter; see Cassini's Division in the rings of Saturn, and resolve details on the surface of Mars. Even the distant Uranus, Neptune, and Pluto are within your reach.

The Celestron C9.25 Inch is Celestron's first new Schmidt-Cassegrain optical system in over a decade. This new Schmidt-Cassegrain features a precision optical system with 2350 mm focal length, a focal ratio of f/10, and comes standard with Celestron's StarBright XLT coatings at no extra cost.

What's more- you have Celestron's guarantee of uncompromising quality backed-up with a Two Year warranty. Celestron warrants your telescope to be free from defects in materials and workmanship for two years. Celestron will repair or replace such product or part thereof which, upon inspection by Celestron, is found to be defective in materials or workmanship.

OPT Product Number: CE-91027-XLT 

Please Note: This optical tube assembly comes with a 3 Inch dovetail plate and will attach to mounts such as the Celestron CGE Pro, Celestron CGEM, the Losmandy G-11 and newer GM-8, Software Bisque's Paramount, and mounts by AstroPhysics. This OTA will not fit onto the CG-5, older GM-8 mounts, or the Meade LXD55. If you are unsure, please give us a call before you buy. Thanks!


Aperture235 mm (9.25")
Focal Length2350 mm
Focal Ratiof/10
Free ShippingYes
Optical CoatingsCelestron XLT
Optical DesignSCT
OTA Length22"
OTA Mount TypeCGE Dovetail
OTA Weight20 lbs.
Telescope SeriesCelestron Optical Tubes
Warranty2 Year Warranty


  • C9, 234.95 mm (9.25 Inch) Schmidt-Cassegrain OTA
  • 3 Inch Dovetail CGE Mount Plate
  • 6x30 Optical Finderscope
  • 1.25 Inch Star Diagonal
  • 1.25 Inch/ 25 mm Eyepiece, 94x mag.
  • 2 Year Warranty



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Ask a Question
  • Could this OTA be used on the Celestron Adv VX mount ?

    No, you need the version with the CG5 dovetail: the CE-91025-XLT. The CE-91026-XLT has the 3" wide CGE dovetail, which will not fit the AVX mount.

  • Does this OTA have the correct rail for the CGEM or CGEM EQ II mounts

    Yes the CGE Pro bar is the correct dovetail bar for a CGEM or CGEM-II.

  • Does it come with a corrector plate cover? (not mentioned as included)

    Yes, this optical tube ships with the front cover to protect the corrector plate.

  • will a  Losmandy GM8  or a Vixen GPD2 mount be able to handle the C9.25? 

    For visual observation or for planetary photography, yes. Neither mount would be a good match for long exposure photography.