Description
- 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
Specifications
| 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 |
| Additional Information | |
| Solar Warning |
|
| California Prop 65 |
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
|
