Orion SkyQuest™ XT8 |
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type | Dobsonian Reflector |
| manufacturer | Orion Telescopes and Binoculars | |
| apreture | 203.2 mm (8") | |
| focal length | 1200 mm | |
| focal ratio | f/6 | |
| Mirror Coatings | aluminium with SiO overcoat, 89% reflective | |
| Minor Axis of 2nd mirror | 50 mm | |
| Weight | 19.2 kg (42,3 lbs ) (tube+base) | |
| tube weight | 9.2 kg (20.3 lbs) | |
| tube length | 1130 mm (44.5") | |
| tube outer diameter | 230 mm | |
| focuser | 1.25" aluminium R&P | |
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Sky and Telescope review
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| Measured focal length | 47.2" (~1200 mm) | |
| secondary mirror clear diam | 2" (50,8 mm) | |
| secondary obstruction | 25% (2"/8") | |
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finder scope : Orion
9x50 Right-Angle
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| magnification | 9x | |
| field of view | 5° | |
| exit pupil | 10 mm | |
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