aPPENDIX a - TECHNICaL SPECIFICaTIONS
Optical Specification
SkyProdigy 70 mm SkyProdigy 90 mm SkyProdigy 130 mm
Design Refractor Maksutov-Cassegrain Reflector
Aperture 70 mm 90 mm 130 mm
Focal Length 700 mm 1250 mm 650 mm
F/ratio of the Optical System 10 14 5
Optical Coatings Fully Coated Fully Coated Aluminum
Highest Useful Magnification 165x 213x 307x
Resolution: Rayleigh Criterion 1.99 arc seconds 1.55 arc seconds 1.07 arc seconds
Dawes Limit 1.66 arc seconds 1.29 arc seconds .89 arc seconds
Light Gathering Power 100x unaided eye 165x unaided eye 345x unaided eye
Field of View: Standard Eyepiece 1.7º 1 º 1.9 º
Linear Field of View (at 1000 yds) 91feet 53.5 feet 103 feet
Eyepiece Magnification: 28x (25 mm) 50x (25 mm) 26x (25 mm)
78x (9 mm) 139x (9 mm) 72x (9 mm)
Optical Tube Length 27 inches 13 inches 24 inches
Electronic Specifications
Input Voltage 12v DC Nominal
Batteries Required 8 D-Cell Alkaline
Mechanical Specifications
Motor Type DC Servo motors with encoders, both axes
Slew Speeds Nine slew speeds: 3.5º /sec, 2º /sec, 1º/sec, 0.3 /sec, 32x, 16x, 8x, 4x, 2x
Hand Control Four line, 18 character Liquid Crystal Display
19 fiber optic backlit LED buttons
Fork Arm Cast aluminum
Software Specifications
Ports RS-232 communication port on hand control: Aux port on base
Tracking Rates Sidereal, Solar and Lunar
Alignment Procedures StarSense Automatic Alignment, StarSense Manual, Solar System Alignment
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Содержание SKY PRODIGY 130
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