i-OPTRON GEM28 GoTo Mount with iPolar and LiteRock Tripod [ 1.5″ Thick Steel Tripod ]

111,000.00 excl. 18% GST

  • German equatorial design, latitude range of 10° ~ 70°
  • Ideal for both visual observation and astrophotography
  • Low periodic error (< ± 10 arc seconds)
  • Payload of 12.7 kg (28 lbs) with the mount-only weight of 4.5 kg (10 lbs)
  • CNC machined and cast metal body
  • Spring loaded gear system
  • Large easy to use quick-lock gear clutches
  • Stepper motor with low power consumption
  • AccuAlignTM calibrated polar scope
  • Polar alignment routine for those who can’t see the Pole Star
  • Go2Nova® 8409 controller with Advanced GOTONOVA® GOTO Technology
  • Integrated ST-4 autoguiding port
  • Built-in Wi-Fi
  • USB port for firmware upgrade and computer control
  • LiteRoc heavy-duty stainless steel tripod w/ vibration suppression pads (7.5kg)
  • Die-cast metal tripod spreader with accessory tray
  • Optional hard carrying case
  • Optional 32-channel Global Positioning System (GPS)
  • Optional iGuiderTM autoguiding system (#3360)

Available on backorder

TECHNICAL SPECIFICATIONS
Mount German Equatorial Mount
Payload * 28 lbs (12.7kg), exclude counterweight
Mount weight 10 lbs (4.5kg)
Payload/Mount weight 2.80
Structure Material All metal, Casting + CNC machined
Exterior Finish Powder coating
Periodic error (PE) ** <±10 arcsec
PEC Yes, Permanent PEC
Worm period 600 sec
Right Ascension worm wheel Φ88mm, 144 teeth aluminum
Declination worm wheel Φ88mm, 144 teeth aluminum
Right Ascension axis shaft Φ35mm steel
Declination axis shaft Φ35mm steel
Right Ascension bearing Φ55mm ball bearing
Declination bearing Φ55mm ball bearing
Worm gears Φ15.2mm, Brass
Motor drive 1.8º stepper motor, 128X microdivision
Resolution 0.17 arc seconds
Transmission Synchronous belt
Latitude adjustment range 10º ~ 70º
Azimuth adjustment range ± 6º
Polar Scope AccuAlign TM optical polar scope
Level indicator Level bubble
Hand Controller Go2Nova® 8409 with ~212,000 objects database
Tracking Automatic
Slew speed 1×,2×,8×,16×,64×,128×,256×,512×,MAX(6º/sec)
Power consumption 0.6A(Tracking), 0.9A(GOTO)
Power requirement 12V DC, 5A
AC adapter 100V ~ 240V (included)
Power-down memory Yes
Wi-Fi Built-in
Communication port Yes (Wi-Fi and USB)
Autoguide port Yes (ST-4 compatible)
Firmware upgrade Yes
PC computer control Yes (ASCOM)
Counterweight shaft Φ20X200mm (M16), Stainless Steel
Shaft extension Φ20X120mm (M16), Stainless Steel
Counterweight 10 lbs (4.5kg)
Tripod LiteRoc heavy-duty stainless steel tripod w/ vibration suppression pads (7.5kg)
Dovetail saddle 3.8″ Vixen-style, center adjustable
Carrying case Optional
GPS Optional external 32-channel GPS
Autoguiding Optional external iGuider 1
Operation temperature -10ºC ~ 40ºC

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