Celestron NexStar 4 SE Maksutov-Cassegrain Computerized Telescope with 1.25" Eyepiece and Filter Kit

Astronomy made simple...Let a Nexstar SE help you find thousands of stars, planets galaxies, and more at the touch of a button! In the tradition of Celestron's famous orange optical tubes, the new Nexstar SE Family combines the classic heritage of the original orange tube telescopes with state-of-the-art features including a fully computerized operating system, flash upgradeable hand control, superior coatings, the revolutionary SkyAlign telescope alignment software and much more. With the Nexstar SE, you are in the driver's seat. Simply choose an object from the menu and the telescope will find it for you. Using the patented NeXStar technology, the SE scopes can locate nearly 40,000 objects. All you have to do is look through the eyepiece and enjoy the view! Don't know what object to choose? Let the intelligent NeXStar SE give you a guided tour of the night sky! The Tour feature offers a customized list of the best objects in the sky to view at your exact time and location anywhere in the world! Not only can your NeXStar SE find objects, but it can also teach you about them as well. Information on the most popular objects can be viewed on the LCD screen of your hand control Whether you are a seasoned astronomer looking for a portable scope with advanced features, or just starting your astronomy adventure and looking for an easy way to enjoy the night sky, a Nexstar SE will help you take a closer look Celestron's Revolutionary SkyAlign: The days of complicated telescope assembly and setup are over. Nexstar SE telescopes can be set up in a matter of minutes with no tools required! Using Celestron's patented SkyAlign, simply input the date, time, and location into the hand control then point the telescope at any three bright celestial objects and the telescope does the rest. You do not need to know the names of the stars, you can even pick the moon or bright planets Optical Design: Maksutov-Cassegrain Aperture: 4.02" (102 mm) Focal Length: 52" (1325 mm) Focal Ratio: f/13 Focal Length of Eyepiece: 1 0.98" (25 mm) Magnification of Eyepiece: 1 53x Finderscope StarPointer red dot finderscope Star Diagonal Internal Flip mirror for straight thru or 90 Degree viewing angle Optical Tube Aluminum Highest Useful Magnification: 241x Lowest Useful Magnification: 15x Limiting Stellar Magnitude: 12.5 Resolution (Rayleigh) 1.37 arc seconds Resolution (Dawes) 1.14 arc seconds Light Gathering Power: 212x (Compared to the human eye) Secondary Mirror Obstruction: 0.38" (35 mm) Secondary Mirror Obstruction by Diameter: 34% Secondary Mirror Obstruction by Area: 12% Optical Coatings StarBright XLT Dovetail CG-5 Dovetail bar Mount Type: Computerized altitude-azimuth single fork arm Instrument Load Capacity: 10 lbs (4.54 kg) Height adjustment range 37 - 55" (939.8 - 2397 mm) (includes mount and tripod) Tripod leg diameter: 1.5" (38.1 mm) Stainless Steel Mount Head Weight: 7 lbs (3.2kg) Accessory Tray: Yes Tripod Weight: 10 lbs (4.54 kg) Slew Speeds 9 slew speeds - max speed 3 Degrees/second Tracking Rates Sidereal, Solar and Lunar Tracking Modes Alt-Az, EQ North, and EQ South Dovetail Compatibility CG-5 dovetail Number of Auxiliary Ports: 1 x AUX port Autoguide Port: No USB Port: Yes, Hand Control input Power Requirements 8-AA batteries (not included) and 12 VDC-750 mA (Tip positive) Motor Drive DC servo motors Alignment Procedures SkyAlign, 1-Star Align, 2-Star Align, Auto 2-Star Align, Solar System Align, EQ North / EQ South Alignment (EQ align requires an equatorial wedge) Periodic Error Correction: No Computerized hand control double line, 18-character Liquid Crystal Display with 19 fiber optic backlit LED buttons NexStar+ Database 38,181 accessible objects. Enhanced information on over 200 objects. Software Celestron Starry Night special edition software and SkyPortal App Battery Info Optional, not included Battery Type: AA Battery Quantity: 8 Dimensions (Diameter x L) 4.9 x 13.5" (125 x 343 mm) Weight Total: 23 lbs (10.4 kg) Optical Tube: 6 lbs (2.7kg)