Celestron
C14-AF XLT Optical Tube Assembly (91038-XLT)
- Regular price
- $ 6,499.95
- Sale price
- $ 6,499.95
- Unit price
- per
This item is a Special Order from the Manufacturer
In Stock
Special Order
Overview
- 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
Description
- 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") |
| Focal Length | 3910 mm (154") |
| Focal Ratio | 11 |
| Focal Length of Eyepiece 1 (mm) | 40 mm (1.57") |
| Magnification of Eyepiece 1 | 98x |
| Finderscope | 9x50 |
| Star Diagonal | 1.25 |
| Optical Tube | Aluminum |
| Fastar Compatible | Yes |
| Highest Useful Magnification | 840x |
| Lowest Useful Magnification | 51x |
| Limiting Stellar Magnitude | 15.3 |
| Resolution (Rayleigh) | 0.39 arc seconds |
| Resolution (Dawes) | 0.33 arc seconds |
| Light Gathering Power (Compared to human eye) | 2581x |
| Secondary Mirror Obstruction | 114 mm (4.5") |
| Secondary Mirror Obstruction by Diameter | 32% |
| Secondary Mirror Obstruction by Area | 10% |
| Optical Coatings | StarBright XLT |
| Optical Tube Length | 787 mm (31") |
| Optical Tube Weight | 45 lbs (20 kg) |
| Dovetail Compatibility | CGE Mount |
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