| Optical Tube INFO: | |
| Optical Design | Schmidt-Cassegrain |
| Aperture | 279.4mm (11″) |
| Focal Length | 2800mm (110″) |
| Focal Ratio | f/10 |
| Focal Length of Eyepiece 1 | 40mm (1.57″) |
| Magnification of Eyepiece 1 | 70x |
| Finderscope | 9×50 |
| Star Diagonal | 1.25″ Star Diagonal |
| Optical Tube | Aluminum |
| Highest Useful Magnification | 660x |
| Lowest Useful Magnification | 40x |
| Limiting Stellar Magnitude | 14.7 |
| Resolution (Rayleigh) | 0.5 arc seconds |
| Resolution (Dawes) | 0.42 arc seconds |
| Light Gathering Power (Compared to human eye) | 1593x |
| Secondary Mirror Obstruction | 95mm (3.75″) |
| Secondary Mirror Obstruction by Diameter | 34% |
| Secondary Mirror Obstruction by Area | 12% |
| Optical Coatings | StarBright XLT |
| Optical Tube Length | 610mm (24″) |
| Optical Tube Diameter | 312.42mm (12.4″) |
| Optical Tube Weight | 27.5 lbs (12.4 kg) |
| Dovetail | CGE Dovetail Bar |
Celestron, EDGEHD, OTA, StarBright XLT
C11-A XLT (CGE) Optical Tube Assembly
₹224,265.00 excl. 18% GST
- 11″ Schmidt-Cassegrain Optical Tube Assembly (OTA)
- Features Celestron’s premium patented StarBright XLT Optical coatings
- 2800mm focal length (f/10)
- Fastar compatible
- Tube constructed of durable and lightweight aluminum
- Includes: 40mm eyepiece (70x), 9×50 Optical finderscope, star diagonal, 1.25” visual back, CGEM-style dovetail bar
Available on backorder
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