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The Celestron NexStar 4 SE Computerised Telescope is a 4 Maksutov Cassegrain telescope which combines the classic heritage of the original orange tube telescopes with the latest state of the art features. The StarBright XLT high transmission coatings come standard, with the StarPointer finderscope to help with alignment and accurately locating objects. It has an iInternal flip mirror for viewing straight through with optional diagonal or at 90 degrees. There is a quick release fork arm mount, optical tube and accessory tray for no tool setup and a sturdy computerized Altazimuth mount. It comes complete with an internal battery compartment to prevent cord wrap during use and the ultra sturdy steel tripod features built in wedge to allow the 4 SE to be used for astrophotography. It includes the CD ROM The Sky, Astronomy Software which provides education about the sky and printable sky maps. Optical Design Maksutov Cassegrain Aperture mm 102 mm 4.02 in Focal Length 1325 mm 52 in Focal Ratio 13 Focal Length of Eyepiece 1 mm 25 mm 0.98 in Magnification of Eyepiece 1 53 x Finderscope StarPointer Star Diagonal Internal Flip mirror for straight thru or 90 viewing angle Mount Type Single Fork Arm Altazimuth Tripod Steel with built in wedge Power Requirements 8 AA batteries not included Highest Useful Magnification 241 x Lowest Useful Magnification 15 x For full specification see Celestron website httpwww.celestron.comastronomycelestron nexstar 4se.html
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