CEM70 USB3.0 Wi-Fi

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Product Overview

Following up on the success of the iOptron CEM60 center balance equatorial mount, we at iOptron are excited to introduce two new medium payload center balance mounts. The CEM70AW the new standard bearer for equatorial mounts in the 70lb payload segment. The CEM70AW is packed with advanced features including USB3.0 and Wi-Fi

Retaining the inherent properties of the center balance design, these relatively compact medium payload mounts deliver what astronomers expect in an efficient accurate portable mount. With precise GOTO pointing and accurate tracking (PE <±5 arcsec) the CEM70 is a solid performer for observers and imagers alike.

Innovative operational features such as the internal iPolar electronic polar scope, easy lock drive gear engagement (levers large enough to use with gloves), an advanced cable management system for the mount, iPolar, guider, and camera, and cumulatively assure users the CEM70 designed with their needs in mind. .

The CEM70AW includes the iPolarTM electronic polar scope, and a hard case.

  • A new design, center-balanced equatorial mount (CEM) for maximum payload with natural stability
  • Ideal for both visual observation and astrophotography
  • Payload of 70 lbs (31.8 kg) with the mount weight of 30 lbs (13.6 kg)
  • Easy to use and reliable gear clutches
  • Precision altitude and azimuth adjustment.
  • Precision stepper motor with 0.07 arcsec accuracy for precise GOTO and accurate tracking
  • iPolarTM electronic polar scope
  • Go2Nova® 8410 controller with Advanced GOTONOVA® GOTO Technology with built in heater
  • High precision tracking with low periodic error (PE)<±5 arcsec
  • Permanent periodic error correction (PPEC)
  • 32-channel Global Positioning System (GPS)
  • Built-in WiFi for remote operation
  • USB3.0 connection
  • Integrated ST-4 autoguiding port
  • Advanced cable management system with more choices
  • Spring loaded 8" Vixen/Losmandy dual saddle
  • NEW iOptron subsidized TheSky Imaging Edition

    Box 1 of 2: #C702AW
    1x CEM70AW mount head in hard case with accessories
    Box 2 of 2: #7226
    1x 9.5kg counterweight


MountCenter-balanced Equatorial Mount (CEM)
Payload*31.8kg (70 lbs), exclude counterweight
Mount weight13.6kg (30 lbs)
Payload/Mount weight ratio2.33
MaterialAll metal
Latitude adjustment range0°~ 65°
Azimuth adjustment range± 4°
PE (by encoder)**< ±5 arcsec
Worm period348 sec
Right Ascension worm wheelF151mm, 248 teeth
Declination worm wheelF151mm, 248 teeth
Right Ascension axleF55mm, steel
Declination axleF55mm, steel
Right Ascension bearingsF80mm
Declination bearingsF80mm
Counterweight shaftF28x 415 mm (SS, 1.9kg)
Counterweight9.5 kg (20 lbs) x1
Mount base sizeF152mm
Motor drivePrecision stepper motor w/128 micro-step
Resolution0.07 arc seconds
Slew speed3.75°/sec (900x) max.
Hand ControllerGo2Nova® 8410, 8 line 21 character LCD
Power requirement***DC 12V, 5A (5.5mm/2.5mm plug)
Power consumption0.6A(Tracking),0.8A(GOTO)
Polar ScopeInternal electronic polar scope, iPolar
Meridian treatmentStop (0-10° pass), auto flip
Zero positionAutomatic zero search
Park positionHorizontal, vertical, current, alt/azi input
Level indicatorYES
Dovetail saddle8" Losmandy D & Vixen
Guiding portST-4
Communication portUSB3.0, Wifi
Cable management1xDC12V (3A), 3xUSB3.0, 1xDC in/2xDC out, iPort.
1X USB input for mount, iGuider, iPolar and more
Operation temperature range-10°C ~ +40°C
Hard caseYES
Pier/TripodOptional LiteRoc tripod (8023ACC) or pier
WarrantyTwo year limited
* OTA size and length dependent.
** Measured with encoder on the bench, 348 seconds
*** Included AC adapter is for indoor use only


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