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Appendix A. Technical Specifications (for #3550 only)
Mount Compact single axis tracking EQ
Payload (MAX) 11 lbs (5kg)
Mount weight 2.2 lbs (1kg) with battery
Mount weight with base 3.2 lbs (1.450kg) with battery
Body material Die-cast aluminum
RA shaft Φ35mm, steel
Worm wheel Φ88mm, 144 teeth aluminum alloy
Worm gear Φ15.2mm, brass
Worm period 600 sec
Bearing 4 pieces
Motor drive DC servo with optical encoder
Tracking R.A. automatic
Tracking speed Solar, Lunar. 1X Cel, 1/2 Cel, and N/S
Fast slew speed 144X, forward and reverse
Guiding port ST-4 compatible
Polar scope AutoAlign
TM
dark field illuminated (~6º FOV)
Camera trigger Yes
Hand controller Yes (with optional 8408 HC)
Power requirement Internal rechargeable battery
Battery type Li-Poly, 3.7V, 2000mAh
Duration of operation Up to 20 hours at 20ºC
Power charge port Micro USB (5V), 80% charge in 5 hours
Camera mounting block Φ62mm, 3/8" post thread
Body-base connection Vixen dovetail, 3/8” socket (1/4” converter)
Alt-Azi adjustable Base Vixen style saddle, 3/8” socket
Alt-Azi adjustable base diameter Φ80 mm
Latitude adjustment range -30º ~ 65º (with Alt-azi base)
AZ adjustment range ±5°
Level indicator Level bubble
Body dimension 133x115x95 mm (w/o alt-azi base)
Counterweight shaft Φ20x200 mm w/ 3/8”-16 threads
Counterweight 1.35kg
Firmware upgrade Yes (via USB port)
Operation Temperature -10~40ºC
Warranty One year limited (90 day on battery)
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