Mirror coatings/over coatings Aluminum Silicon Dioxide.Secondary mirror obstruction by area 5%.Secondary mirror obstruction by diameter 23%. ![]() Magnification with included eyepieces 48x.Glass material Low thermal expansion borosilicate glass.The Dobsonian base of the XT8 Classic provides a simple and stable low profile altazimuth platform for the 8 aperture reflector optical tube. Enhanced reflectivity mirror coatings boost the XT8 Classic Dobsonian 39 s mirror to 94% reflectivity so as much light as possible is transmitted to the eyepiece, for clear and bright views. The 1200mm focal length f/5.9 XT8 mirror allows you to obtain clear and crisp views at moderate to high magnifications on clear nights with good seeing conditions. The mirror collects 78% more light than a 6 mirror, so you get a significant increase in ability to observe dust lanes in nebulas, resolve the cores of prominent globular star clusters, and to reveal some of the more subtle structures in faint galaxies. The SkyQuest XT8 Classic Dobsonian is built around an 8 203mm diameter parabolic primary mirror mounted in a cast aluminum support cell. For any amateur astronomer seeking serious adventure, the XT8 Classic Dobsonian telescope has it all! ![]() The point and view simplicity of the Dobsonian design is not as complicated as a telescope attached to an equatorial EQ mount and tripod, so with a little practice, your whole family can scan the heavens just like experienced hobbyists. The XT8 Classic Dobsonian is a tremendous value considering the high quality views it provides on such a wide variety of celestial objects. The XT8 39 s 8 aperture is also large enough to gather a significant amount of light from more distant celestial objects for great views of sparkling star clusters, cloudy nebulas, and faraway galaxies. The Moon and planets of our solar system like Jupiter, Saturn, and Mars shine brightly in the SkyQuest XT8 Classic, allowing you to inspect them in detail. You and your whole family will appreciate the bright, clear views of the night sky provided by the XT8 Classic Dobsonian reflector. You get a Sirius Plossl 25mm telescope eyepiece (48x), an EZ Finder II reflex sight, an Orion quick-collimation cap, and a snap-on dust cover.Orion SkyQuest XT8 Classic With Crayford Style Focuser Product DescriptionOrion SkyQuest XT8 Classic With Crayford Style Focuser Product InfoĪ powerful telescope capable of providing night after night of stargazing enjoyment, the Orion SkyQuest XT8 Classic Dobsonian is 1 of our most popular models due to its elegant combination of precision optics, mechanical simplicity, and rock solid stability. The XT8 comes with a host of great accessories. The SkyQuest XT8 Classic now features an upgraded 2" Crayford-style focuser that accepts both 1.25" and 2" accessories. The CorrecTension spring system applies just the right amount of friction on the altitude bearings to ensure proper tube balance. A gentle push or pull on the navigation knob puts you right in the observing pocket. The 46"-long enameled steel tube glides on its sturdy Dobsonian telescope base. You're in total control as you point the telescope effortlessly to your target object anywhere in the sky. The mirror pulls in 73% more light than a 6", enough to tease out dust lanes in nebulas, resolve the cores of prominent globular clusters, and reveal subtle structure in elusive galaxies. It features a precision 8" (203mm) parabolic primary mirror, center-marked at the factory for precise collimation and mounted in a cast-aluminum support cell that provides maximum ventilation. ![]() ![]() The Orion SkyQuest XT8 Classic Dobsonian Telescope combines powerful optics with the ultimate in mechanical simplicity and stability.
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