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Design
Aperture
Focal Length
F/ratio of the Optical System
Primary Mirror:
Material
Coatings
Secondary Mirror: Material
Coatings
Central Obstruction
Corrector Plate:
Material
Coatings
Highest Useful Magnification
Lowest Useful Magnification (7mm exit pupil)
Resolution: Rayleigh Criterion
Dawes Limit
Photographic Resolution
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
: Camera
Optical Tube Length
Weight of Telescope
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Input Voltage
Maximum
Minimum
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
Complete Revised NGC Catalog
Complete Messier Catalog
Complete Caldwell
Solar System objects
Famous Asterisms
Selected SAO Star
Total Object Database
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Schmidt-Cassegrain Catadioptric
5 inches (127mm)
50 inches (1250mm)
10
Fine Annealed Pyrex
Starbright Coatings - 5 step multilayer process
Hand Figured Fine Annealed Pyrex
Starbright Coatings - 5 step multilayer process
2" (16% by area)
Optical Quality Glass
A-R Coatings both sides
300x ( ~ 4mm eyepiece)
23x
( ~ 54mm eyepiece)
( ~ 34mm eyepiece with optional Reducer/Corrector)
1.09 arc seconds
.91arc seconds
182 lines/mm
330x unaided eye
~ 20 feet
1.04º
1.6º x 1.1º (2.5º x 1.75º) - with optional Reducer/Corrector)
55 feet
50x
25x
11 inches
17.6 Lbs.
12 V DC Nominal
18 V DC Max.
8 V DC Min.
8 AA Alkaline
12 VDC-750 mA (Tip positive)
DC Servo motors with encoders, both axes
.26 arc sec
Nine slew speeds: 6.5º /sec, 3º /sec, 1.5º/sec, 128x, 64x, 16x, 8x, 2x, 1x
Double line, 16 character Liquid Crystal Display
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
2-Star Alignment, AutoAlign
25 user defined programmable object.
Enhanced information on over 100 objects
7,840
110
109
9
20
10,385
18,473
41
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