Description
- 8″ Schmidt-Cassegrain optical tube assembly (OTA)
- Features Celestron’s premium patented StarBright XLT optical coatings
- 2032 mm focal length (f/10)
- Fastar compatible
- Tube constructed of durable and lightweight aluminum
- Includes: 25mm eyepiece (81x), 6×30 optical finderscope, star diagonal, 1.25” visual back, CGEM style dovetail bar
Specifications
| Optical Tube Info: | |
|---|---|
| Optical Design: | Schmidt-Cassegrain |
| Aperture: | 203.2mm (8″) |
| Focal Length: | 2032mm (80″) |
| Focal Ratio: | f/10 |
| Focal Length of Eyepiece 1: | 25mm (0.98″) |
| Magnification of Eyepiece 1: | 81x |
| Finderscope: | 6×30 |
| Star Diagonal: | 1.25″ Star Diagonal |
| Optical Tube: | Aluminum |
| Highest Useful Magnification: | 480x |
| Lowest Useful Magnification: | 29x |
| Limiting Stellar Magnitude: | 14 |
| Resolution (Rayleigh): | 0.69 arc seconds |
| Resolution (Dawes): | 0.57 arc seconds |
| Light Gathering Power (Compared to human eye): | 843x |
| Secondary Mirror Obstruction: | 64mm (2.5″) |
| Secondary Mirror Obstruction by Diameter: | 31% |
| Secondary Mirror Obstruction by Area: | 9.77% |
| Optical Coatings: | StarBright XLT |
| Optical Tube Length: | 432mm (17″) |
| Optical Tube Diameter: | 238mm (9.37″) |
| Optical Tube Weight: | 12.5 lbs (5.67 kg) |
| Dovetail: | CGE Dovetail Bar |
| Additional Information | |
| Solar Warning |
|
| California Prop 65 |
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
|
