> GEM28 with LiteRoc Tripod[즉시공급]
* 상품가격 1,990,000원 19,900원
* 상품코드 0129_00118
* 배송기간 2일 ~ 4일
* 수량선택


가대 알루미늄 케이스가 포함되어 있지 않으며 광학식 극축망원경이 장착된 모델입니다.


Introducing iOptron’s new compact next-generation German equatorial mounts the GEM28!

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.

Shipping Box #1: G281B-GEM28 Head w/ AccuAlign/Tray (G281B)
Shipping Box #2: 8283-CEM26/GEM28 LiteRoc Tripod w/o Tray (C26/G28 LiteRoc)



  • German equatorial design, latitude range of 10° ~ 70°
  • Ideal for both visual observation and astrophotography
  • Low periodic error (< ± 12 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 (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)


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) **<±12 arcsec
PECYes, Permanent PEC
Worm period600 sec
Right Ascension worm wheelΦ88mm, 144 teeth aluminum
Declination worm wheelΦ88mm, 144 teeth aluminum
Right Ascension axis shaftΦ35mm steel
Declination axis shaftΦ35mm steel
Right Ascension bearingΦ55mm ball bearing
Declination bearingΦ55mm ball bearing
Worm gearsΦ15.2mm, 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
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, for indoor use only)
Power-down memoryYes
Communication portYes (Wi-Fi and USB)
Autoguide portYes (ST-4 compatible)
Firmware upgradeYes
PC computer controlYes (ASCOM)
Counterweight shaftΦ20X200mm (M16), Stainless Steel
Shaft extensionΦ20X120mm (M16), Stainless Steel
Counterweight10 lbs (4.5kg)
TripodLiteRoc heavy-duty stainless steel tripod (7.5kg)
Dovetail saddle3.8" Vixen-style, center adjustable
Carrying caseOptional
GPSOptional external 32-channel GPS
AutoguidingOptional external iGuider 1
Operation temperature-10ºC ~ 40ºC
WarrantyTwo year limited






※ 상기 가격, 스펙 및 디자인은 환율변경 및 제조사에 의해 예고 없이 변경될 수 있습니다.

※ 배송 - 배송은 구매금액 8만원 미만의 경우 착불이며 그 이상의 금액의 제품일 경우엔 무료배송입니다.

제품발송은 대한통운택배를 통하여 발송됩니다. 주문하신 제품 중 업체 직배송 제품의 경우엔 타 택배로 발송될 수 있습니다.

※ 납기 - 재고가 있는 제품의 경우 입금 확인 후 최대 일주일 이내에 받아보실 수 있습니다. 그러나 재고가 없는 제품의 경우 수입시기에 맞추어 공급해 드리므로 사전에 전화주셔서 확인을 부탁드립니다.

※ 교환 및 반품 - 제품에 하자가 있지 않은 경우엔 반품이 불가능하오니 고객님께 적합한 제품인지에 관하여 주문 전에 미리 상담 부탁드립니다.



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