Celestron C9.25-XLT CG5
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Vai al modulo- 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 CG-5 Advanced Series mount
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 CG-5 Advanced Series mount
| OPTICAL TUBE INFO: | |
|---|---|
| Optical Design | Schmidt-Cassegrain |
| Aperture | 2345mm (9.25") |
| Focal Length | 2350mm (93") |
| Focal Ratio | f/10 |
| Focal Length of Eyepiece 1 | 25mm (0.98") |
| Magnification of Eyepiece 1 | 94x |
| Finderscope | 6x30 |
| Star Diagonal | 1.25" Star Diagonal |
| Optical Tube | Aluminum |
| Highest Useful Magnification | 555x |
| Lowest Useful Magnification | 34x |
| Limiting Stellar Magnitude | 14.4 |
| Resolution (Rayleigh) | 0.59 arc seconds |
| Resolution (Dawes) | 0.49 arc seconds |
| Light Gathering Power (Compared to human eye) | 1127x |
| Secondary Mirror Obstruction | 85mm (3.35") |
| Secondary Mirror Obstruction by Diameter | 36% |
| Secondary Mirror Obstruction by Area | 13% |
| Optical Coatings | StarBright XLT |
| Optical Tube Length | 559mm (22") |
| Optical Tube Diameter | 271.78mm (10.7") |
| Optical Tube Weight | 20 lbs (9.07 kg) |
| Dovetail | CG-5 Dovetail bar |