iOptron CEM26 Center Balanced Equatorial GoTo Mount
iOptron CEM26 Center Balanced Equatorial GoTo MountiOptron CEM26 Center Balanced Equatorial GoTo MountiOptron CEM26 Center Balanced Equatorial GoTo Mount
iOptron CEM26 Center Balanced Equatorial GoTo MountiOptron CEM26 Center Balanced Equatorial GoTo MountiOptron CEM26 Center Balanced Equatorial GoTo Mount

iOptron CEM26 Center Balanced Equatorial GoTo Mount

  (3 Reviews)
✓ 2 year warranty


1x in stock shipped 1-2 working days

About this product

Model:  iop_cem26_lrc_tp_hc_aa
Part Number:  C262B3

NEW compact Center-Balanced equatorial Mount (CEM) weighs only 10 lb yet supports up to 26 lb payload!

The CEM26 mount's Centre-Balanced design positions payload weight at the centre of gravity for increased natural stability. 

Features include precise whisper quiet stepper motors (periodic error < ± 10 arc seconds) large easy to use quick-lock gear clutches, built-in WiFi for easy connectivity and recordable Permanent Period Error Correction (PPEC).

Can be purchased with iOptron AccuAlign optical polarscope or iPolar electronic polar finder. 

The CEM26 is also equipped with the latest advanced Go2Nova® 8409 with 212,000 object database & star identification. The Go2Nova® Hand Controller is intuitive to use and its large 4-line LCD screen simplifies the process of setting telescopes and locating objects.


  • Compact Center-Balanced equatorial mount for maximum payload and minimum mount weight
  • Payload of 26 lbs (11.8 kg) with the mount-only weight of 10 lbs (4.5 kg)
  • Precise stepper motors with low power consumption
  • Low periodic error (< ± 10 arc seconds)
  • Permanent Period Error Correction (PPEC)
  • Adjustable counterweight shaft for 0º latitude operation
  • Ideal for entry-level and intermediate astrophotography
  • Large easy to use quick-lock gear clutches on R.A. and DEC axes
  • Choose iOptron AccuAlign optical polarscope or iPolar electronic polar finder
  • Go2Nova® 8409 with 212,000 object database & star identification
  • Integrated WiFi for full function control via SmartPhone/Tablet/Computer
  • ST-4 autoguiding port
  • USB port
  • Optional 32-channel Global Positioning System (GPS)
  • Serial port for firmware upgrade and computer control
  • Spring loaded Vixen-style saddle
  • Available with 1.5 inch stainless steel tripod or 1.75" LiteRoc tripod
  • Die-cast metal tripod spreader with accessory tray

Go2Nova Hand Controller 8409

  • 212,000 object database & star identification
  • Large LCD screen with 4 lines and 21-character with backlit LED buttons
  • User friendly interface
  • 9-speed setting for motor slew speed
  • Serial port for firmware upgrade and mount computer control

Optional Hard Case

Optional hard case for CEM26 mount protects your mount. The case features custom-fit foam padding to hold the mount in place and cushion it from impacts. The exterior has reinforced edges on the outside to help minimise denting and damage. There are dual trigger latches to secure the lid in place, and a carry handle.



What's in the box

  • Telescope mount with iPolar
  • Hand controller (HC) – Go2Nova® 8409 
  • Tripod with accessory tray – 1.5‐inch or 1.75 inch LiteRoc 
  • Counterweight – 10.4 lbs X1 (4.7 kg) 
  • Counterweight shaft 
  • Controller cables x2 
  • RS232‐RJ9 serial cable 
  • AC adapter – 100‐240V 


Mount Center-Balanced Equatorial Mount
Payload 26 lb (11.8 kg), excludes counterweight
Mount weight 10 lb (4.5kg)
Payload/Mount weight 2.60
Periodic error (PE) * <±10 arcsec
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
Resolution 0.17 arc seconds
Transmission Synchronous belt
Latitude adjustment range 0º ~ 60º
Azimuth adjustment range ± 10º
GPS Optional/external
Polar Scope iOptron AccuAlign polarscope or iPolar electronic polar finder
Level indicator Level bubble
Hand Controller Go2Nova® 8409 with 212,000 & star identification
Tracking Automatic
Max slew speed 6º/Sec (1440x)
Power consumption 0.5A (tracking) 0.8A (GOTO)
Power requiremention DC 12V, 5A
AC adapter 100V ~ 240V (included)
Power-down memory Yes
Serial port Yes (on hand controller)
Autoguide port ST4
Firmware upgrade Yes
PC computer control Yes (ASCOM)
Counterweight shaft Φ20mm, Adjustable, Stainless Steel
Counterweight 10 lb (4.5 kg)
Tripod 1.5‐inch or 1.75 inch LiteRoc
Dovetail saddle Spring loaded Vixen-style
Operation temperature -10ºC ~ 40ºC
Warranty Two year limited

Downloads / Manuals




Download Latest Firmware 

iOptron Telescope ASCOM Driver:

Install ASCOM Driver and Commander 

Customer reviews

Average Rating (3 Reviews):  
Write a Review and share your opinions!

Rating (max 5):  
18 months with no problems at all...
10 October 2023  | 

I purchased the CEM26EC from FLO in May 2022 and i have been very happy with it. Used for observation mostly it has easily handled 9Kg loads and tracked superbly throughout the night. I have dabbled with photography and achieved 2 minute subs unguided with no issues using my 400mm focal length scope. on full frame camera. The build quality is excellent. After a few outings the slightly quirky setup becomes routine and i can be polar aligned and star aligned very quickly indeed. The mount is quiet when slewing and silent when tracking. It's very good on power consumption too if you are using a powerbank. It's lightweight and easy to transport (especially with the CF tripod). The mesh gear design produces very little backlash and is very easy to adjust should you need to. Overall very happy with the mount. Thanks again to FLO for excellent service.

Rating (max 5):  
Wow amazing just buy one!
04 February 2021  | 

After owing several mounts over the years I am now a owner of the cem26 and this mount is quality and so smooth and quiet the material is of good quality and the finish is really pleasing to the eye.
As for what the mount does well no complaints from me I set everything up using the asiair pro and selected 600minuit exposures and perfect images are sharp no trail so yeah just buy one and finally itís very light yet sturdy so I highly recommend this.

Rating (max 5):  
Great Quality
02 February 2021  | 

You can tell instantly that this is a great quality product out of the box. Very solid and well made. It's far from light-weight though! That said the the whole mount and tripod looks and feels well constructed and was relatively easy to set up.
Not yet managed to do the polar alignment so may have to comment on that later. However, the instructions for set-up leave a lot to be desired - the Quick Start manual is scanty at best and overall rather poor. You'd be advised to download the complete online manual together with the ipolar instructions. It's not well written or fully explained. FLO, however, came to the rescue and offered some helpful pointers. IOpton could at least have provided a full printed guide with more detailed instructions and explanations. The only other drawback is that to install ipolar and firmware updates a Windows computer is needed - I find that bizarre when so many people will use an Apple based device but at least there are ways around that issue. Despite these drawbacks I think this is a first class product deserving of 5 stars as does FLO for their super efficient service.


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