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Celestron NexStar 4 SE Computerized Cassegrain Telescope Bundle

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Price:
$757.00
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Product Description

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 Aluminium
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 with built-in wedge
CD ROM NexRemote V1.6.14 & "The Sky®" Level 1
Power Supply 8-AA batteries (not included)
Highest Useful Magnification 241 x
Lowest Useful Magnification 15 x
Limiting Stellar Magnitude 12.5
Resolution (Rayleigh) 1.37 arcsec
Resolution (Dawes) 1.14 arcsec
Light Gathering Power 212 x
Angular Field of View 1 °
Linear Field of View (@1000 yds) 53 ft (16.15 m)
Optical Coatings StarBright XLT
Secondary Mirror Obstruction 1.38 in (35.05 mm)
Secondary Mirror Obstruction by Area 11.8 %
Secondary Mirror Obstruction by Diameter 34.4 %
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 with 19 fiber optic backlit LED buttons
Slew Speeds Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, 64x, 16x, 8x, 4x, 1x, .5x
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 Lunar

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