CES1128Features: -Telescope.-11" diffraction limited Schmidt-Cassegrain telescope.-Celestron"s premium StarBright XLT coatings.-Fully computerized dual fork arm Altazimuth mount.-8x50 finderscope to help accurately find objects.-Newly designed heavy-duty tripod makes attaching the telescope so easy you can do it in the dark.-Sturdy 2" steel legs and accessory tray.-Ergonomic design - comfortably lift and move the telescope from location to location.-Star diagonal provides more comfortable viewing position when observing objects that are high in the sky.-Convenient remote hand control holder.-Allows you to view information hands-free while using the scope.-Proven NexStar computer control technology.-40,000 object database with over 100 user-definable objects and expanded information on over 200 objects.-Custom database lists of all the most famous deep-sky objects by name and catalog number.-Most beautiful double, triple and quadruple stars; variable stars; solar system objects and asterisms.-Re-designed drive base and drive mechanics.-Quiet operation; large drive gears, quick release clutch.-SkyAlign allows you to align on any three bright celestial objects, making for a fast and easy alignment process.-Flash upgradable hand control software and motor control units for downloading product updates over the Internet.-Permanent PEC.-Auxiliary port for additional accessories such as Autoguider, GPS accessory.-Optical design: Schmidt-cassegrain.-Aperture (mm): 280 mm (11 in).-Focal length (mm): 2800 mm (110 in).-Focal ratio: 10.-Eyepiece 1 (mm): 40 mm (1.57 in).-Magnification 1: 70 x.-Star diagonal: 1.25.-Mount: Dual fork arm.-Optical tube: Aluminum.-Accessory tray: Leg brace / eyepiece holder.-Tripod: Heavy duty steel adjustable.-Power supply: Car battery adapter.-Highest useful magnification: 661 x.-Lwest useful magnification: 40 x.-Lmiting stellar magnitude: 14.7.-Resolution (rayleigh): 0.5 arc seconds.-Resolution (dawes): 0.41 arc seconds.-Photographic resolution: 200 line/mm.-Light gathering power: 1600 x.-Angular field of view (deg): 0.6.-lLnear field of view (1000 yds): 32 ft (9.75 m).-Secondary mirror obstruction: 3.75 in (95 mm).-Secondary mirror obstruction by diameter: 34 pct.-Secondary mirror obstruction by area: 12 pct.-Optical coatings: Starbright xlt coating.-Motor drive: dc servo motors with encoders, both axes.-Motor resolution: 0.1406.-Tracking rates: sidereal, solar and lunar.-Tracking modes: altazimuth, eq north and eq south.-Alignment procedures: skyalign, auto two-star alignment, two-star align, solarsystem align, eq north align, eq south align, one-star align.-Software precision: 24 bit, 0.08 calculations.-Periodic error correction: permanently programmable.-Fork arm: dual fork arm, cast aluminum with detachable hc cradle.-Gear: 5.625 hard anodized gear in both axes, 180 tooth.-Bearings: 9.8 azimuth bearing.-Motor ports: aux port, autoguide ports.-Communication ports: rs-232 communication port on hand control.-Computer hand control: double line, 16 character liquid crystal display; 19 fiber optic backlit led buttons.-Database: 40,000 objects, 100 user defined programmable objects. enhanced information on over 200 objects.-Power requirements - idle current: 340 ma.-Power requirements - slew one axis: 640 ma.-Power requirements - slew both axes: 900 ma.-Cord management: cord wrap software.-GPS: Internal 16 channel. Includes: -NexRemote telescope control software and RS-232 cable included for advanced control of your telescope via computer. Specifications: -Finderscope: 8x50 finderscope with quick release bracket.-Power requirements: 12 vdc 1.5a. Dimensions: -Dimensions: 72"" H x 39"" W x 23"" D.