Orion 10135 XT10g, 10135XT12g, #10134 XT8g, 10134 XTBg instruction manual One-Year Limited Warranty

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One-Year Limited Warranty

The Orion XTg GoTo Dobsonians are warranted against defects in materials or workmanship for a period of one year from the date of purchase. This warranty is for the benefit of the original retail purchaser only. During this warranty period Orion Telescopes & Binoculars will repair or replace, at Orion’s option, any warranted instrument that proves to be defective, provided it is returned postage paid to: Orion Warranty Repair, 89 Hangar Way, Watsonville, CA 95076. Proof of purchase (such as a copy of the original receipt) is required.

This warranty does not apply if, in Orion’s judgment, the instrument has been abused, mishandled, or modified, nor does it apply to normal wear and tear. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. For further warranty service information, con- tact: Orion Customer Service (800) 676-1343; support@telescope.com.

Orion Telescopes & Binoculars

OrionTelescopes.com

89 Hangar Way, Watsonville CA 95076

Customer Support Help Line (800) 676-1343 • Day or Evening

© 2010-2012 Orion Telescopes & Binoculars

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Contents Orion SkyQuest XTg GoTo Dobsonians Overview of SkyQuest XTg Dobsonian 12 shown Parts List Table of ContentsUnpacking Box #2 Dobsonian Base Refer to Figures 3 Base hardware for SkyQuest XTgAssembly Assembly of the Dobsonian BaseAssembly of the Optical Tube XT12g Only Shaft Spring Connecting the Optical Tube to Dobsonian Base Accessory InstallationEZ Finder Operating the EZ FinderUsing Eyepieces Replacing the BatteryAligning the EZ Finder GoTo Hand Controller Setup for AutoTracking or GoTo Mode Setup for AutoTracking or GoTo ModeScroll Buttons Dual Purpose buttonsAlignment for GoTo Operation Using the Telescope AutoTracking ModeBrightest Star Alignment SW 235SE Two-Star AlignmentUsing the Telescope in GoTo Mode Object Database in the Hand ControllerSelecting an Object Pointing Accuracy Enhancement PAEOther Functions Utility FunctionsSetup Functions TrackingPage Using the User Defined Database Saving an object to the databaseRecalling a user-defined object Identifying an Unknown ObjectDisconnecting from the Computer Preparing the Computer for the UpdateLinking with a Computer Updating the GoTo Hand Controller’s FirmwareCollimating the Optical System Collimation Cap and Mirror Center MarkPreparing the Telescope for Collimating Aligning the Secondary MirrorUsing Your Telescope Star-Testing the TelescopeFocusing the Telescope Aligning the Primary MirrorViewing with Eyeglasses Aiming/Pointing the TelescopeMagnification 1200mm = 42x 28mmAstronomical Observing Astronomical Objects MoonCleaning Eyepiece Lenses Care and MaintenanceCleaning Mirrors SkyQuest XT8g SpecificationsSkyQuest XT10g SkyQuest XT12g Menu Tree Appendix a Time Zones of the World Additional RS-232 Commands Sending a Tracking Rate Sending a Slow-GoTo CommandResetting the Position of Azimuth or Altitude Appendix B RS-232 ConnectionStar Charts Page Page Page Page Page Page Page Page One-Year Limited Warranty

10135 XT10g, 10134 XTBg, 10135XT12g, #10134 XT8g specifications

The Orion #10134 XT8g, #10135 XT12g, #10134 XTBg, and #10135 XT10g are exceptional choices in the realm of computerized telescopes, catering to both novice stargazers and seasoned astronomers. These models are designed for easy use while delivering stellar performance and high-quality optics.

At the heart of these telescopes is the high-quality optics that Orion is renowned for. Each model features a primary mirror made from durable glass, enhanced with a parabolic shape to minimize optical distortions and improve light gathering capabilities. The XT8g and XT10g utilize an 8-inch and 10-inch mirror, respectively, while the XT12g boasts a large 12-inch aperture, providing users with deeper views of celestial phenomena. The larger the aperture, the more light the telescope can collect, revealing fainter objects in the night sky.

In terms of technology, the "g" designation signifies that these telescopes are equipped with Orion’s innovative GoTo system. This advanced motorized mount enables users to easily locate and track celestial objects with the push of a button, making the stargazing experience more enjoyable and accessible. The system includes a database of thousands of celestial objects, allowing users to explore the universe with ease.

The XTg models also come with an intuitive hand controller that features a user-friendly interface for navigating the night sky. Additionally, the telescopes can be controlled via a smartphone or tablet, providing flexibility for tech-savvy users who prefer modern conveniences.

Durability and stability are crucial in any telescope, and the XT series does not disappoint. Each model is constructed on a robust and stable base, designed to minimize vibrations and provide a steady view, even at higher magnifications. This stability ensures that amateur astronomers can enjoy detailed views, from the craters of the moon to the rings of Saturn and beyond.

Each telescope comes with a cradle-style altazimuth mount for easier adjustments and tracking capabilities. The included eyepieces allow for various magnifications, enhancing the viewing experience and enabling observers to appreciate the beauty of the cosmos.

In summary, the Orion XT series, including the #10134 XT8g, #10135 XT12g, #10134 XTBg, and #10135 XT10g, stands out for their exceptional optics, innovative GoTo technology, robust build quality, and user-friendly operation. These telescopes are ideal for anyone wishing to explore the wonders of the night sky, making them a worthy investment for years of astronomical discovery.
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