Orion 10018 XT8i Specifications, SkyQuest XT6i IntelliScope, SkyQuest XT8i IntelliScope

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8. Specifications

SkyQuest XT6i IntelliScope

Primary mirror: 150mm diameter, parabolic, center marked

Primary mirror material: Low thermal expansion optical glass

Mirror coatings: Enhanced-reflectivity (94%) aluminum, SiO2 overcoat

Secondary mirror minor axis: 34.5mm

Focal length: 1200mm

Focal ratio: f/8.0

Focuser: Rack-and-pinion, accepts 1.25" eyepieces

Altitude bearing diameter: 5.75"

Optical tube material: Rolled steel

Azimuth pad material: PTFE/UHMW

Altitude bearing material: UHMW polyethylene

Eyepieces: 25mm & 10mm Sirius Plössl, multi-coated, 1.25"

Eyepiece magnification: 48x and 120x

Finder scope: 6x30mm, right-angle correct-image, 7° field of view

Eyepiece rack: Holds three 1.25" eyepieces

Optical tube weight: 13.5 lbs.

Base weight: 20.9 lbs.

Tube length: 45.5"

Tube outer diameter: 7.25"

SkyQuest XT8i IntelliScope

Primary mirror: 203mm diameter, parabolic, center marked

Primary mirror material: Low thermal expansion optical glass

Mirror coatings: Enhanced-reflectivity (94%) aluminum, SiO2 overcoat

Minor axis of secondary mirror: 47mm

Focal length: 1200mm

Focal ratio: f/5.9

Focuser: Crayford, accepts 2" and 1.25" eyepieces with included adapter

Altitude bearing diameter: 5.75"

Optical tube material: Rolled steel

Azimuth pad material: PTFE/UHMW

Altitude bearing material: UHMW polyethylene

Eyepieces: 25mm & 10mm Sirius Plössl, multi-coated, 1.25"

Eyepiece magnifications: 48x and 120x

Finder scope: 9x50mm, right-angle correct-image, 5° field of view

Eyepiece rack: Holds three 1.25" eyepieces and one 2" eyepiece

Optical tube weight: 20.3 lbs.

Base weight: 21.3 lbs.

Tube length: 46.5"

Tube outer diameter: 9.25"

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Contents Orion SkyQuest XTi SkyQuest XT8 IntelliScope Table of Contents Parts List UnpackingAssembly of the Optical Tube XT12i only AssemblyBox #3 XT12i only Primary mirror and cell Page Assembly of the Dobsonian Base Loosely attach the front brace B to the two side panelsCorrect Tension pads Installing the CorrecTension Friction Optimization System Installing the Vertical StopInstalling the Eyepiece Rack Placing the Optical Tube on the Dobsonian BaseAltitude Bearings Bearing cylinders Installing the Finder Scope Inserting an EyepieceSetting the Altitude Tension Level Using Your TelescopeAltitude and Azimuth Motion Viewing with Eyeglasses Focusing the TelescopeFocusing the Finder Scope Aligning the Finder ScopeUse of 2-Inch Eyepieces XT8i, XT10i, and XT12i only Aiming/Pointing the TelescopeMagnification Tube BalancePage Alignment Collimation of the Optical System Collimation Cap and Mirror Center MarkPreparing the Telescope for Collimation Adjusting the Primary MirrorAligning the Secondary Mirror Astronomical Observing Star-Testing the TelescopeSelecting an Observing Site Let Your Eyes Dark-Adapt Seeing and TransparencyCooling the Telescope Eyepiece SelectionPlanets MoonSun StarsIntelliScope Computerized Object Location Cleaning Eyepiece Lenses Care and MaintenanceCleaning Mirrors SkyQuest XT6i IntelliScope SpecificationsSkyQuest XT8i IntelliScope SkyQuest XT10i IntelliScope SkyQuest XT12i IntelliScopeOne-Year Limited Warranty

10019 XT10i, 10018 XT8i, 10020 XT12i, 10026 XT6i specifications

The Orion XT series of telescopes, including the XT12i, XT8i, XT6i, and XT10i, are highly regarded for their quality and performance, making them popular choices among astronomy enthusiasts. Each model in the XT line features a Dobsonian design, renowned for its simplicity and ease of use, allowing users to enjoy stargazing without the complexities associated with other types of telescopes.

Starting with the Orion XT12i, this model boasts a 12-inch aperture that delivers exceptional light-gathering power, ideal for deep-sky observations. Equipped with the IntelliScope computer navigation system, users can enjoy the convenience of locating over 14,000 celestial objects with ease. The oversized 2-inch focuser accommodates a range of eyepieces and accessories, while the solid, sturdy base ensures stability during observation.

Next is the Orion XT10i, featuring a 10-inch aperture designed for delivering stunning views of galaxies, nebulae, and star clusters. Like its larger counterpart, the XT10i also comes with the IntelliScope system, allowing for simple object location. Its compact design makes it an ideal choice for both backyard astronomy and portable stargazing trips. The XT10i includes a rich set of accessories, including a 1.25-inch eyepiece, to enhance the observing experience.

The Orion XT8i brings a 8-inch aperture to those seeking a balance between performance and portability. This telescope offers impressive light-gathering capabilities while remaining lightweight enough for easy transport. The IntelliScope feature enables users to navigate easily between celestial objects. It is an excellent choice for both beginners and experienced users looking for a versatile telescope.

Finally, the Orion XT6i features a 6-inch aperture, making it an optimal choice for those new to astronomy. Despite its smaller size, the XT6i still offers excellent views of the night sky and is highly portable. With the IntelliScope system, users can quickly find and explore various celestial objects. Its user-friendly design and setup make it a perfect introduction to the world of astronomy for novices.

In summary, the Orion XT series of telescopes presents a diverse range of options suitable for astronomers of all experience levels. They combine innovative technologies like the IntelliScope navigation system with solid construction and impressive optics, ensuring memorable astronomical experiences. Whether you're delving into deep-sky exploration or enjoying casual stargazing, the XT line has a model that fits your needs.