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iOptron CEM26 Goto EQ Mount with iPolar & Hard Case


Introducing iOptron’s new compact next-generation center-balance equatorial mounts the CEM26!

Like their predecessors, the CEM26 is designed with portability in mind, weighing in at only 4.5kg it can support up to a 12kg payload an incredible 2.6 mount weight to payload ratio. The key to enable such ratios is the CEM design focuses the mount and payload weight directly on the center of the tripod rendering “natural stability”.

Building on the legacy of earlier CEM 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 CEM26 delivers precise pointing and accurate tracking. The CEM26 sets the new standard for compact equatorial mounts.

The center-balanced design mount puts the weight of the payload at the center of gravity allowing for greater natural stability. Other features include an adjustable counterweight bar to prevent obstruction with the tripod. And polar aligning is quick and accessible all the time since the polar scope is not blocked by the declination shaft.

The CEM26 is equipped with the latest advanced GOTONOVA® GOTO technology, making it one of the most powerful and accurate GOTO mounts available. Its database includes over 212,000+ objects. 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 CEM26 comes with the iPolar electronic polar scope, a 1.5" heavy duty stainless steel tripod and an aluminium carrying case.

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 ScopeiPolar 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
Optional external 32-channel GPS
Optional external iGuider 1
Operation temperature
-10ºC ~ 40ºC
  • 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
  • Hard carrying case
  • Optional 32-channel Global Positioning System (GPS)
  • Optional iGuiderTM autoguiding system #3360

This product is normally shipped by our freighter service.

Normal delivery is to pickup from their local depot or for delivery to a business address in main towns or cities.

Delivery to a residential address will incur a $45.00 surcharge.

Delivery to a small town or rural address may not be available. We will contact you separately to arrange shipping.