Description
- 9.25″ Schmidt-Cassegrain Optical Tube Assembly (OTA)
- Features Celestron’s premium patented StarBright XLT optical coatings
- 2350mm focal length (f/10)
- Fastar compatible
- Tube constructed of durable and lightweight aluminum
- Includes: 25mm eyepiece (94x), 6×30 optical finderscope, star diagonal, 1.25” visual back, CGEM-style dovetail bar
Specifications
| Optical Tube Info: | |
|---|---|
| Optical Design: | Schmidt-Cassegrain |
| Aperture: | 235mm (9.25″) |
| Focal Length: | 2350mm (93″) |
| Focal Ratio: | f/10 |
| Focal Length of Eyepiece 1: | 25mm (0.98″) |
| Magnification of Eyepiece 1: | 94x |
| Finderscope: | 6×30 |
| 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: | CGE Dovetail Bar |
| Additional Information | |
| Solar Warning |
|
| California Prop 65 |
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
|
