Equatorial mount Ioptron CEM120EC

Ioptron CEM120

New product

Equatorial mount Ioptron CEM120EC

More details

Contact us before order for more information on delivery times and shipping costs

5'125.0 CHF tax incl.

More info

Equatorial mount Ioptron CEM120

Description :

An extraordinary innovation both in design and in load.
After the insistent requests, ioptron presents a new mount of the CEM series (Center-balanced Equatorial Mount), the 120.
In addition to the high load capacity this mount also has an excellent tracking, the periodic error is in fact only +/- 3.5 "arc seconds!
Taking long-exposure photographs with medium / long focal lengths will be very easy without having to spend more than 10000 euros for a new mount !
The CEM120 is equipped with an advanced cable management system consisting of multiple connections in multiple positions that avoid the famous problems of cables destroyed during the movement of the mount resulting in the end of photo and astrophotography evening. It also adds some new features to the CEM family such as Wi-Fi and LAN port for remote operations and 0 blacklash clutches easy to use and reliable on both axes.


  • Capacity

    Type Equatorial mount
    Designation CEM120
    Max. additional load capacity (kg) 52
    Counterweight(s) (piece) 2 x 10kg
    Interfaces RS232, USB, LAN, WIFI
    Power supply 12
    Language English
    Polar elevation setting (°) 0 - 68
    Mounting saddle Losmandy-Style
    DEC ball bearings diameter (mm) 125
    DEC worm gear diameter (mm) 216
    RA worm gear diameter (mm) 216
    Worm gear teeth (DEC) (piece) 360
    Worm gear teeth (RA) (piece) 360
    Material of worm wheel Aluminium
    Weight mount head only (kg) 26
    Slow-motion azimuth adjustment +/- 5
    Precision of tracking < +/- 3.5
    DEC worm shaft diameter (mm) 26
    RA worm shaft diameter (mm) 26
    DEC axis diameter (mm) 80
    RA axis diameter (mm) 80
    RA ball bearings diameter (mm) 125
    Diameter of counterweight bar (mm) 38,1
    Motor type Stepper motors (128 micro-steps)
    Software Go2Nova8407 V2
    Amperage (A) 5
    Input voltage 12
    Power consumption in open circuit (mA) 700
    Power consumption (mA) 1800
    Cable-guide internal

    Special features

    GoTo system yes
    GPS yes
    Controllable via PC yes (ASCOM)
    Handcontroller yes
    Level yes
    Pole finder no (optional)
    Autoguider interface yes (ST-4 interface)
    PEC correction yes (permanent)


    Tripod <p> without tripod


    Total weight (kg) 46
    Series CEM

    Area of application

    Useful for photographs yes


  • CEM120EC mount head x1
  • Go2Nova 8407 V2 hand controller x1
  • 10 kg counterweight x1 ((free extra one for limited time)
  • Counterweight shaft x1
  • Hand controller cable x1
  • Serial cable (#8412) x1

Tripod optional