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Appendix A - Technical Specifications
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Design
Aperture
Focal Length
F/ratio of the Optical System
Primary Mirror:
Diameter
Coatings
Secondary Mirror Spot Size
Secondary Obstruction
Corrector Plate:
Material
Coatings
Highest Useful Magnification
Lowest Useful Magnification (7mm exit pupil)
Resolution: Rayleigh Criterion
Dawes Limit
Light Gathering Power
Near Focus standard eyepiece or camera
Field of View: Standard Eyepiece
: 35mm Camera
Linear Field of View (at 1000 yds)
Magnification: Standard Eyepiece
Optical Tube Length
Weight of Telescope
Weight of Tripod
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Input Voltage
Batteries Required
Power Supply Requirements
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Motor: Type
Resolution
Slew speeds
Hand Control
Fork Arm
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Software Precision
Ports
Tracking Rates
Tracking Modes
Alignment Procedures
Database
Total Object Database
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Schmidt Cassegrain Optical Design
5 inches (125mm)
50 inches (1250mm)
10
125mm
Starbright XLT®
1.75"
35% by diameter; 12% by area
Optical Quality Crown Glass
Starbright XLT®
300x
18x
1.11 arc seconds
.91 arc seconds
329x unaided eye
~ 20 feet
1º
1.6º x 1.1º
52.5 feet
50x
11 inches
17.6 Lbs.
10 lbs
12 V DC Nominal
8 AA Alkaline
12 VDC-750 mA (Tip positive)
DC Servo motors with encoders, both axes
.26 arc sec
Nine slew speeds: 4º /sec, 2º /sec, 1º/sec, .5/sec, 32x, 16x, 8x, 4x, 2x
Double line, 16 character Liquid Crystal Dis play
19 fiber optic backlit LED buttons
Cast aluminum, with integrated hand control receptacle
16 bit, 20 arc sec. calculations
RS-232 communication port on hand control
Sidereal, Solar, Lunar and King
Alt-Az, EQ North & EQ South
SkyAlign, Auto Two-Star, Two-Star, One-Star, Solar System Align
200 user defined programmable object.
Enhanced information on over 200 objects
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