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Orion Observer II 70mm f/10 Doublet Refracting Telescope Kit
The Orion Observer II 70mm f/10 Doublet Refracting Telescope Kit is a popular telescope for amateur astronomers.
telescope specs
| Approx price: | $150* |
| Optical design: | Doublet Refractor |
| Glass type: | Borosilicate |
| Aperture: | 70 mm (2.75") |
| Focal Length: | 700 mm |
| Focal Ratio: | f/10 |
| Focuser: | 2" Crayford |
| Limiting Magnitude: | 13 |
| Dawes Limit: | 1.66 arcseconds |
| OTA Weight: | 1.8 lbs |
| Mount: | Alt-azimuth |
| Instrument connection: | 1.25" |