Celestron Schmidt-Cassegrain C9.25 XLT CGE optical tube
Celestron Schmidt-Cassegrain C9.25" XLT CGE optical tube (OTA) features 235 mm mirror, F/10 focal ratio. 25 mm Plössl eyepiece and 6x30 finder view included.
Photo connector for Reflex (CE93633-A) and Piggyback (CE93609) included in the price!
Celestron Schmidt-Cassegrain C9.25" XLT CGE optical tube (OTA) features 235 mm mirror, F/10 focal ratio. 25 mm Plössl eyepiece and 6x30 finder view included.
OVERVIEW
- 9.25" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Celestron's premium StarBright XLT coatings
- 2350 mm focal length (f/10)
- 25 mm eyepiece included (94x)
- Visual back allows for use with 1.25" accessories
- 6x30 finderscope to help accurately find objects
- Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
- Includes dovetail rail compatible with CGE mount
DESCRIPTION
GENERAL FEATURES
9.25" Schmidt-Cassegrain Optical Tube Assembly
Aluminum Optical Tube
Celestron's premium StarBright XLT coatings
2350 mm focal length (f/10)
25 mm eyepiece included (94x)
Visual back allows for use with 1.25" accessories
6x30 finderscope to help accurately find objects
Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
Includes dovetail rail compatible with CGE mount
Photo connector for Reflex (CE93633-A) and Piggyback (CE93609) included in the price!
SPECIFICATIONS
|
Optical Design |
Schmidt-Cassegrain |
|
Aperture (mm) |
234.95 mm (9.25 in) |
|
Focal Length |
2350 mm (93 in) |
|
Focal Ratio |
10 |
|
Focal Length of Eyepiece 1 (mm) |
25 mm (0.98 in) |
|
Magnification of Eyepiece 1 |
94 x |
|
Finderscope |
6x30 |
|
Star Diagonal |
1.25 |
|
Optical Tube |
Aluminum |
|
Highest Useful Magnification |
555 x |
|
Lowest Useful Magnification |
34 x |
|
Limiting Stellar Magnitude |
14.4 |
|
Resolution (Rayleigh) |
0.59 arc seconds |
|
Resolution (Dawes) |
0.49 arc seconds |
|
Light Gathering Power (Compared to human eye) |
1127 x |
|
Secondary Mirror Obstruction |
3.35 in (85 mm) |
|
Secondary Mirror Obstruction by Diameter |
36% |
|
Secondary Mirror Obstruction by Area |
13% |
|
Optical Coatings |
StarBright XLT |
|
Optical Tube Length |
22 in (559 mm) |
|
Optical Tube Weight |
20 lbs (9.07 kg) |
|
Dovetail Compatibility |
CGE Mount |
| Product Status | New |
|---|---|
| Package width | 63 cm |
| Package height | 38 cm |
| Package depth | 38 cm |
| No. of parcels | 1 |