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Celestron C14-AF XLT Optical Tube Assembly
- 14" Schmidt-Cassegrain Optical Tube Assembly
- Aluminum Optical Tube
- Fastar Compatible
- Celestron's premium StarBright XLT coatings
- 3910 mm focal length (f/11)
- 40 mm 1.25" eyepiece included (98x)
- Visual back allows for use with 2" accessories
- 9x50 finderscope to help accurately find objects
- 2" mirror diagonal provides more comfortable viewing position when observing objects that are high in the sky
- Includes dovetail rail compatible with CGE mount
SPECIFICATIONS
| Optical Design | Schmidt-Cassegrain |
|---|---|
| Aperture (mm) | 355.6 mm (14 in) |
| Focal Length | 3910 mm |
| Focal Ratio | 11 |
| Focal Length of Eyepiece | 40 mm |
| Magnification of Eyepiece | 98 x |
| Finderscope | 9x50 |
| Star Diagonal | 1.25 |
| Optical Tube | Aluminum |
| Fastar Compatible | Yes |
| Highest Useful Magnification | 840 x |
| Lowest Useful Magnification | 51 x |
| Limiting Stellar Magnitude | 15.3 |
| Resolution (Rayleigh) | 0.39 arc sec |
| Resolution (Dawes) | 0.33 arc sec |
| Light Gathering Power (Compared to human eye) | 2581 x |
| Secondary Mirror Obstruction | 114 mm |
| Secondary Mirror Obstruction by Diameter | 32% |
| Secondary Mirror Obstruction by Area | 10% |
| Optical Coatings | StarBright XLT |
| Optical Tube Length | 787 mm |
| Optical Tube Weight | 21 kg |
| Dovetail Compatibility | CGE Mount |
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