GEM28 in Hard Case w/ LiteRoc Tripod

iOptronSKU: G282B3
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Sale price$2,285.99
  • Description
  • Specifications
Like their predecessors, the GEM28 is designed with portability in mind, weighing in at only 10 lbs it can support up to a 28lb payload an incredible 2.8 mount weight to payload ratio. We achieved this using design methods developed to reduce mount mass in our CEM family of mounts. The German EQ versions were created to satisfy consumer that prefer a more traditional mount and to function at higher latitudes.

Building on the legacy of earlier GEM models we have added features for convenience and functionality. A positive lock gear engagement system (easy to use even when wearing gloves), Built-in Wi-Fi enabling unparallel connectivity and recordable permanent periodic error correction (PPEC) to repeat optimal PEC training sessions. Regarding functionality the GEM28 delivers precise pointing and accurate tracking. The GEM28 sets the new standard for compact German equatorial goto mounts.

The GEM28 is equipped with the latest advanced GOTONOVA® GOTO technology, making it one of the most powerful and accurate GOTO mounts available. The 212,000 object library ensures you’ll never run out of targets to see or image. The Go2Nova® Hand Controller is intuitive to use and its large 4-line LCD screen simplifies the process of setting telescopes and locating objects.
The CEM26B mount has an AccuAlignTM optical polar scope installed for quick and easy polar alignment. It comes with a LiteRoc heavy duty stainless steel tripod and an aluminum carrying case.

Shipping Box #1: G282B-GEM28 Head w/ AccuAlign/Case/Tray (G282B)
Shipping Box #2: 8283-CEM26/GEM28 LiteRoc Tripod w/o Tray (C26/G28 LiteRoc)

Features
  • 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
  • Hard carrying case
  • Optional 32-channel Global Positioning System (GPS)
  • Optional iGuiderTM autoguiding system (#3360)
MountGerman Equatorial Mount
Payload *28 lbs (12.7kg), exclude counterweight
Mount weight10 lbs (4.5kg)
Payload/Mount weight2.80
Structure MaterialAll metal, Casting + CNC machined
Exterior FinishPowder coating
Periodic error (PE) **<±10 arcsec
PECYes, Permanent PEC
Worm period600 sec
Right Ascension worm wheelF88mm, 144 teeth aluminum
Declination worm wheelF88mm, 144 teeth aluminum
Right Ascension axis shaftF35mm steel
Declination axis shaftF35mm steel
Right Ascension bearingF55mm ball bearing
Declination bearingF55mm ball bearing
Worm gearsF15.2mm, Brass
Motor drive1.8º stepper motor, 128X microdivision
Resolution0.17 arc seconds
TransmissionSynchronous belt
Latitude adjustment range10º ~ 70º
Azimuth adjustment range± 6º
Polar ScopeAccuAlign TM optical polar scope
Level indicatorLevel bubble
Hand ControllerGo2Nova® 8409 with ~212,000 objects database
TrackingAutomatic
Slew speed1×,2×,8×,16×,64×,128×,256×,512×,MAX(6º/sec)
Power consumption0.6A(Tracking), 0.9A(GOTO)
Power requirement12V DC, 5A
AC adapter100V ~ 240V (included)
Power-down memoryYes
Wi-FiBuilt-in
Communication portYes (Wi-Fi and USB)
Autoguide portYes (ST-4 compatible)
Firmware upgradeYes
PC computer controlYes (ASCOM)
Counterweight shaftF20X200mm (M16), Stainless Steel
Shaft extensionF20X120mm (M16), Stainless Steel
Counterweight10 lbs (4.5kg)
TripodLiteRoc heavy-duty stainless steel tripod w/ vibration suppression pads (7.5kg)
Dovetail saddle3.8" Vixen-style, center adjustable
Carrying caseIncluded
GPSOptional external 32-channel GPS
AutoguidingOptional external iGuider 1
Operation temperature-10ºC ~ 40ºC
WarrantyTwo year limited

* OTA size and length dependent, smaller than 6" in diameter recommended
** Measured with encoder on bench, 10 minutes

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