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Appendix A. Technical Specifications
Optical Design Achromatic Refractor
Optical Tube Materials Aluminum
Clear Aperture 80 mm
Focal Length 400mm
Focal Ratio f/5
Resolution Power 1.45 arc sec
Limited Magnitude 11.3
Highest Useful Magnification 160
Focuser 1.25” rack-and-pinion
Eyepiece adapter 1.25”
Eyepiece 1 25mm (16X)
Eyepiece 2 10mm (40X)
Diagonal 45º erect
Mount AltAzimuth Mount
Body Materials Die-cast Aluminum
GOTO System GoToNova
®
Tracking controller Automatic
Tracking rate celestial, solar, lunar
Motor Dual-Axis DC Servo motor with encoders
Resolution 1 arc second
Gear POM worm wheel/Nylon 6 worm gear
Bearing 4 steel ball bearings
Slew Speed 2×,8×,64×,256×,MAX( ~4º/sec)
GPS 32-channel GPS (GPS model only)
Hand controller GoToNova
®
8405
LCD display 4 line, 21 character with LED backlit
Processor 32bit ARM
Object in Database 10,000+
Level indicator Yes
Dovetail Saddle Integrated VIXEN saddle
Battery
AA x 8（Not Included）
AC/DC adapter Optional
Power Requirement DC 12V±2V, >1.2A
Tripod Aluminum
Weight with tripod 8.5 lbs (without OTA)
Weight w/ Tripod, OTA 10.7 lbs
Warranty One Year Limited Warranty