iOptron CEM26 Center Balanced Equatorial GoTo Mount

iOptron CEM26 Center Balanced Equatorial GoTo Mount

£879.00✓ 2 year warranty


Out of stock due 30-40 working days

About this product

Model:  iop_cem26_tp_hc_aa
Part Number:  C262B1

NEW compact Centre-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)
  • Ideal for entry-level and intermediate astrophotography
  • Large easy to use quick-lock gear clutches on R.A. and DEC axes
  • Adjustable counterweight shaft for 0º latitude operation
  • 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
  • Built-in 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, 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 

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