Celestron NexStar 4SE Telescope 11049 – 4″ Special Edition Maksutov – Cassegrain Computerized Telescopes Included Accessories: Finderscope, Tripod, CD-ROM, Shutter Cable, 25mm Eyepiece, 28% Off w/ Free S&H

OPTICAL DESIGN: Maksutov-Cassegrain
APERTURE: 102 mm (4.02 in)
FOCAL LENGTH: 1325 mm (52.17 in)
FOCAL RATIO: 12.99
FINDERSCOPE: StarPointer
DOVETAIL COMPATIBILITY: Quick Release Tube Clamp
MOUNT: Single Fork Arm Altazimuth
OPTICAL TUBE: Aluminum
EYEPIECE 1: 25 mm (0.98 in)
MAGNIFICATION 1: 53 x
STAR DIAGONAL: Internal Flip mirror for straight thru or 90 viewing angle
OTHER EQUIPMENT: Camera Shutter Cable
TRIPOD: Steel w/ built-in wedge
CD ROM: NexRemote V1.6.14 & The Sky L1
POWER SUPPLY: 8-AA batteries (not included)
HIGHEST USEFUL MAGNIFICATION: 240 x
LOWEST USEFUL MAGNIFICATION: 14 x
LIMITING STELLAR MAGNITUDE: 12.5
RESOLUTION: 1.36 arc seconds
RESOLVING POWER: 1.14 arc seconds
LIGHT GATHERING POWER: 212 x
ANGULAR FIELD OF VIEW: 1 °
LINEAR FIELD OF VIEW (@1000 YDS): 52.5 ft (16 m)
OPTICAL COATINGS: StarBright XLT
SECONDARY MIRROR OBSTRUCTION: 1.38 in (35.05 mm)
SECONDARY MIRROR OBSTRUCTION BY AREA: 11%
SECONDARY MIRROR OBSTRUCTION BY DIAMETER: 35%
OPTICAL TUBE LENGTH: 13.5 in (342.9 mm)
TELESCOPE WEIGHT: 11 lb (4.99 kg)
TRIPOD AND MOUNT WEIGHT: 10 lb (4.54 kg)
MOTOR DRIVE: Integrated D.C. Electronics
COMPUTER HAND CONTROL: Double line, 16 character Liquid Crystal Display w/ 19 fiber optic backlit LED buttons
SLEW SPEEDS: Nine slew speeds
TRACKING MODES: Alt-Az, EQ North & EQ South
SOFTWARE FEATURES: Camera Control
ALIGNMENT PROCEDURES: SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, SolarSystem Align
DATABASE: 38,181 accessible objects
SOFTWARE PRECISION: 24bit, 0.08 arcsec calculations
COMMUNICATION PORTS: RS-232 communication port on hand control, Aux port, Camera Control
port:
TRACKING RATES: Sidereal, Solar and Luna