Celestron EdgeHD 9.25 OTA (CGE dovetail) | PixelSkiesAstro
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  • Celestron EdgeHD 9.25 OTA (CGE dovetail) | PixelSkiesAstro
  • Celestron EdgeHD 9.25 OTA (CGE dovetail) | PixelSkiesAstro
  • Celestron EdgeHD 9.25 OTA (CGE dovetail) | PixelSkiesAstro
  • Celestron EdgeHD 9.25 OTA (CGE dovetail) | PixelSkiesAstro
  • Celestron EdgeHD 9.25 OTA (CGE dovetail) | PixelSkiesAstro

Celestron EdgeHD 9.25 OTA (CGE dovetail)

€2,999.00
Tax included

9.25" EdgeHD aplanatic optical tube, 2350 mm f/10, CGE (Losmandy-style) dovetail bar.

Manufacturer model: Celestron 91040-XLT · Specifications checked against manufacturer data on 2026-11-06

Recommended compatible reducers & flatteners

Celestron EdgeHD 925 0.7× Reducer €589.00 View

Celestron EdgeHD 9.25 OTA (CGE dovetail)

9.25" EdgeHD aplanatic optical tube, 2350 mm f/10, CGE (Losmandy-style) dovetail bar.

EdgeHD is Celestron's aplanatic, flat-field Schmidt-Cassegrain. It corrects off-axis coma and gives a focal plane more than three times flatter than a standard SCT, so stars stay sharp to the edge of large camera sensors. Mirror clutches reduce image shift during long exposures, filtered vents release warm air from behind the primary, and every tube is star-tested with a camera before it ships. Use it at native f/10, at f/7 with the matching EdgeHD 0.7× reducer, or at f/2 with third-party Fastar accessories.

Optical

Optical designEdgeHD aplanatic Schmidt-Cassegrain
Aperture235 mm (9.25")
Focal length2350 mm
Focal ratiof/10
Secondary obstruction85 mm; 36% by diameter, 13% by area
CoatingsStarBright XLT
Resolution0.59″ (Rayleigh); 0.49″ (Dawes)
Limiting magnitude14.4
Fastar compatibleYes

Mechanical and package

Tube length559 mm
Tube diameter272 mm
Weight9.53 kg
TubeAluminium
DovetailCGE (Losmandy-style) dovetail bar

Manufacturer documentation

16401

Data sheet

Aperture (mm)
235
Coatings
StarBright XLT
Dovetail
CGE
Focal length (mm)
2350
Focal ratio
f/10
Limiting magnitude
14.4
Optical design
EdgeHD aplanatic SCT
Tube diameter (mm)
272
Tube length (mm)
559
Weight (kg)
9.53

Specific References

UPC
050234104098
EAN13
4047825023605
MPN
91040-XLT
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