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| Item | 8267 |
| Product Name | Orion 8" f/8 Ritchey-Chretien Astrograph Telescope |
| Best for imaging | Deep Sky |
| User level | Advenced |
| Optical design | Ritchey-Chretien |
| Optical diameter | 200mm |
| Focal length | 1600mm |
| Focal ratio | f/8 |
| Optics Type | Hyperbolic |
| Optical quality | Diffraction limited |
| Resolving power | 0.58arc*sec |
| Lowest useful magnification | 29x |
| Highest useful magnification | 236x |
| Highest theoretical magnification | 400x |
| Limiting stellar magnitude | 14,2 |
| Finder Scope | None |
| Focuser | 2" dual-speed linear bearing Crayford |
| Secondary mirror obstruction | 95mm |
| Secondary mirror obstruction by diameter | 47% |
| Secondary mirror obstruction by area | 22% |
| Mount Type | Optical Tube without Mount |
| Astro-imaging capability | Lunar & planetary& Long exposure |
| Tube Material | Steel |
| Lenght of optical tube | 22 in. |
| Weight of optical tube | 18.5 lbs. |
| Additional included accessories | Separate drawtube tension adjustment & lock knobs, Losmandy-style dovetail mounting bar on underside |
| Other features | Vixen-Style dovetail mounting bar on top, Two dovetail finder scope bases for finder scopes, 1" & 2" Extension tubes |
| Warranty | One year |
