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iOptron CEM26 GoTo EQ Mount with iPolar

iOptron CEM26 GoTo EQ Mount with iPolar

Regular price $2,799.00
Regular price Sale price $2,799.00
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Introducing iOptron's new compact next-generation center-balance equatorial mounts the CEM26!

The CEM26, like its predecessors, prioritizes portability, weighing only 4.5kg but able to support up to a 12kg payload, resulting in an impressive 2.6 mount weight to payload ratio. The center-balanced design focuses the mount and payload weight directly on the tripod's center, providing natural stability, enabling such ratios.

The CEM26 expands on earlier CEM models by adding convenience and functionality. Its positive lock gear engagement system is easy to use, even while wearing gloves. The built-in Wi-Fi feature allows for unparalleled connectivity, and the mount also has a recordable permanent periodic error correction (PPEC) for optimal PEC training sessions. The CEM26 delivers precise pointing and accurate tracking, setting a new standard for compact equatorial mounts.

The adjustable counterweight bar prevents obstruction with the tripod, and polar aligning is quick and accessible at all times since the polar scope is not blocked by the declination shaft. The CEM26 is also equipped with the latest advanced GOTONOVA® GOTO technology, with a database of over 212,000+ objects. Its intuitive Go2Nova® Hand Controller and large 4-line LCD screen simplify the process of setting telescopes and locating objects.

The CEM26 comes with a heavy-duty stainless steel tripod and the iPolar electronic polar scope.


  • Unique design, center-balanced equatorial mount (CEM) for maximum payload and minimum mount weight
  • Ideal for both visual observation and astrophotography
  • Low periodic error (< ± 10 arc seconds)
  • Payload of 12 kg with the mount-only weight of 4.5 kg
  • CNC machined and cast metal body
  • Spring loaded gear system
  • Large easy to use quick-lock gear clutches
  • Adjustable counterweight shaft for 0º latitude operation
  • Stepper motor with low power consumption
  • Integrated iOptron iPolarTM electronic 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
  • Standard 1.5 inch heavy-duty stainless steel tripod (5kg)
  • Die-cast metal tripod spreader with accessory tray
  • Optional 32-channel Global Positioning System (GPS)
  • Optional iGuiderTM autoguiding system #3360


Center-Balanced Equatorial Mount
12kg, excluding counterweight
Mount weight
Payload/Mount weight
Structure Material
All metal, Casting + CNC machined
Exterior Finish
Powder coating
Periodic error (PE)
<±10 arcsec
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
0.17 arc seconds
Synchronous belt
Latitude adjustment range
0º ~ 60º
Azimuth adjustment range
± 6º
Polar Scope iPolar electronic polar scope
Level indicator
Level bubble
Hand Controller
Go2Nova® 8409 with ~212,000 objects database
Slew speed
Power consumption
0.5A(Tracking), 0.8A(GOTO)
Power requirement
12V DC, 5A
AC adapter
100V ~ 240V (included)
Power-down memory
Communication port
Yes (Wi-Fi and USB)
Autoguide port
Yes (ST-4 compatible)
Firmware upgrade
PC computer control
Counterweight shaft
Φ20X306mm (M16), Stainless Steel
1.5" Stainless Steel (5kg)
Dovetail saddle
3.8" Vixen-style, centre adjustable
Hard case
Not Included
Optional external 32-channel GPS
Optional external iGuider 1
Operation temperature
-10ºC ~ 40ºC
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