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Appendix A. Technical Specifications
AstroBoy
®
-70e GOTO Telescope:
Optical Design
Achromatic Refractor
Clear Aperture
70 mm
Focal Length
500mm
Focal Ratio
f/7.1
Resolution Power
1.66 arc sec
Limited Magnitude
11
Highest Useful Magnification
140
Focuser 1.25”
rack-and-pinion
Eyepiece adapter
1.25”
Eyepiece 1
25mm (20X)
Eyepiece 2
10mm (50X)
Diagonal 45º
erect
Mount AltAzimuth
Mount
GOTO System
GOTONOVA
®
Tracking controller
Automatic
Tracking rate
celestial, solar, lunar
Motor
Dual-Axis DC Servo motor with encoders
Resolution
1 arc second
Slew Speed
2×,8×,64×,256×,MAX( ~4º/sec)
Hand controller
GoToNova
®
8404
LCD display
4 line, 21 character with LED backlit
Processor 32bit
ARM
Object in Database
5,000+
Level indicator
Yes
Battery
AA x 6
(
Not Included
)
AC/DC adapter
Optional
Power Requirement
9V DC(9 ~ 14V), 1.2A
Tripod Aluminum
Electronic Eyepiece Sensor
1/3" 1.3MP CMOS
Resolution 1280x1024
Pixel size
3.6
μ
m x 3.6
μ
m
Frame Rate
16 fps @ 1280x1024
USB Port
USB 2.0
Operation System
Win2k,WinXP,Vista, Win7 (plug-N-play)
Warranty
One Year Limited Warranty