Meade - SN-10 AT - 10" f/4 SN on LXD75 AT Mount with UHTC Introducing the new Meade LXD75 Series...a line of high-quality equatorially mounted telescopes with computerized operation (or, in some cases, electronic operation with the option of computerization at a later time). This line replaces the amazingly popular LXD55 Series, and it is full of improvements and added features! Premium Meade LXD75 Optics Diffraction-Limited Optics: Meade's Schmidt-Newtonian optics yield pinpoint stellar images over an extremely wide field-of-view with only half the coma of standard Newtonians of the same focal length. Optical Tube Construction: Schmidt-Newtonian optics are mounted in precision-machined aluminum cells which are then mounted in sturdy steel tubes. These tubes are baked with high-grade textured enamel paint. The optical tube assembly is closed, reducing air currents inside the tube. This prevents distortion of an otherwise sharp image. Plus, a closed tube helps keep the optics clean! Corrector Lens: Fully corrects for spherical aberration and provides pinpoint star images. Water white glass is used in all Schmidt-Newtonian corrector lenses to maximize light transmission in excess of 10%, as compared to competitive telescopes using soda lime glass. Individually Figured Optics: Schmidt-Newtonian corrector lenses and mirrors are individually figured to create a superior optical system which is renowned for its exquisite smoothness and performance. Pyrex Primary Mirror: Premium-grade Pyrex mirrors are used in all Schmidt-Newtonian optical systems, providing exceptional thermal stability versus competing models using standard plate glass. Fast F/Ratios: Meade's Schmidt-Newtonians have extremely fast, well-corrected F/Ratios for short photographic exposure times and wide fields-of-view. 2" Focuser: Aluminum rack and pinion focuser allows the user to achieve a precise focus. Eyepiece Holder: Accepts both 1.25" and 2" eyepieces. Allows use of all common telescope accessories and cameras. 8 X 50 Achromatic Viewfinder: Easily locate and center deep sky objects. Meade in the U.S.A. and Performance Tested: Schmidt-Newtonian optics are manufactured at Meade's state-of-the-art facility in Irvine, California and then performance tested on an interferometer. Meade AutoStar The AutoStar controller helps you quickly find, and GoTo over 30,000 objects in the night sky. View planets, stars, galaxies, nebulae, and comets...all at a push of a button. AutoStar is pre-programmed with several guided tours, including the popular Tonight's Best. Input date, time and location, then let AutoStar take you on a guided tour of the best objects in the sky for that particular night. The AutoStar controller can be updated. Log on to Meade.com to download software upgrades, guided tours, and timely objects like comets---all for free. Keep your AutoStar up-to-date and your telescope will grow with you for years to come. Stable Meade LXD75 German Equatorial Mount Sturdy Mount with Heavy-Duty Castings: Designed by Meade's engineers and manufactured for high-performance observing and astrophotography. Shaft & Bearing System: The sturdy German Equatorial Mount is accurate and precise. The RA and DEC aces move effortlessly on four high-precision stainless steel ball bearings. High-Precision Worm Gears: Located on both axes for smooth tracking and slewing. High-Precision Pointing (HPP): For even more precise pointing, use the HPP function. HPP puts objects in the center of the field-of-view, which allows you to confirm deep sky objects at the faintest limits of the telescope's capability. Periodic Error Correction: Corrects periodic errors on the RA axis over the course of one or more training periods, thereby minimizing guiding corrections during long-exposure photography. 9-Speed Drive Controls: From a rapid slew rate of 4.5º/sec. to 1x sidereal...it's all controlled from the AutoStar. 3-Star Alignment: Ensures precise alignment while eliminating the need for a complicated optical/mechanical alignment process. Heavy-Duty Tripod: Variable-height field tripod with spreader bar brace provides the stability and vibration damping required for visual observation and astrophotography. Illuminated Polar Alignment Viewfinder: For quick, easy precise polar alignment. Power Supply: Powered by eight (8) D-size batteries. Can also be powered by optional car cigarette lighter or AC wall adapter