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Celestron-nexstar-4-se.1172582
7.0 out of 10

Celestron NexStar 4 SE

Celestron NexStar 4SE The Celestron NexStar 4SE features Read more

Great Deal: $499.00

Specifications

Feature
Value
Comment
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 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)
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
Communication Ports :
RS-232 communication port on hand control, Aux port, Camera Control port
Tracking Rates :
Sidereal, Solar and Lunar
Telescope Weight :
11 lbs (4.99 kg)
Tripod and Mount Weight :
10 lbs (4.54 kg)
Software Precision :
24 bit, 0.08 arcsec calculations
Payload Capacity :
10 lbs (4.54 kg)
Release Date
First seen
28 April 2007