iOptron CEM120 Center Balanced Equatorial GoTo Mount
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 iOptron CEM120 Center Balanced Equatorial GoTo MountiOptron CEM120 Center Balanced Equatorial GoTo Mount 

iOptron CEM120 Center Balanced Equatorial GoTo Mount

£3,250.00✓ 2 year warranty

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About this product

Model:  iop_cem120_7300
Part Number:  7300

An extraordinary innovation in mount design. Now with increased payload! 

Recognizing the growing demand for an accurate and stable, equatorial mount with the versatility to carry larger instruments and more complex imaging arrays, we created the iOptron CEM120. It offers the benefits of our revolutionary “center balance” design: stability, accuracy, and smooth mechanical operation, while capable of carrying a payload up to 115 lbs (52 kg). The “center balance” design’s natural stability is due to its focusing the mount along with payloads weight directly over the center of the pier or tripod. 

The CEM120's performance is demonstrated by its low periodic tracking error of ±3.5 arc seconds. Along with the stability aspect, the CEM120 features an advanced cable management system consisting of more ports in more locations preventing tangle ups and reducing the chance of fractured cables. It also adds some new features to the CEM family like Wi-Fi and LAN for remote operation and easy to use, reliable clutches on both axes. 

Optional heavy duty Tri-Pier 360 and Permanent Pier are available for order. 

Optional Tri-Pier adapter for light weight payload ( 8036-120) is also available It can be modified for permanent pier mounting.

FEATURES

  • A new design, center-balanced equatorial mount (CEM) for maximum payload with natural stability
  • Observatory astrophotography mount ideal for both visual and Astro-photographers
  • Payload of 115 lbs (52 kg) with the mount weight of 57 lbs (26 kg)
  • Easy to use and reliable gear clutches
  • Precision altitude and azimuth adjustment.
  • Precision stepper motor with 0.07 arcsec accuracy for precise GOTO and accurate tracking
  • Polar alignment routine for those who can't see the Pole Star
  • Go2Nova® 8407 V2 controller with Advanced GOTONOVA® GOTO Technology with built in heater
  • High precision tracking with low periodic error (PE)<±3.5 arcsec
  • Permanent periodic error correction (PPEC)
  • 32-channel Global Positioning System (GPS)
  • Built-in WiFi and LAN for remote operation
  • Integrated ST-4 autoguiding port
  • Advanced cable management system with more choices
  • Spring loaded, individual adjustable Losmandy saddle

Go2Nova Hand Controller 8407

  • 300,000+ object database
  • 8 line, 21 character back lit large screen LCD
  • Low temperature operation as low as -20ºC
  • User friendly interface
  • 9 speed slew control with quiet mode
  • Large object database
  • Serial port for firmware upgrade

Base Plate Drawing

 

What's in the box

  • Telescope mount 
  • Hand controller (HC) – Go2Nova® #8407 
  • 2x Counterweight  (10  kg/22 lbs) 
  • Stainless steel counterweight shaft (4.6kg) 
  • HC controller cable 
  • RS232‐RJ9 serial cable 
  • 12V5A AC adapter – 100‐240V 
  • 4X Base mounting screws 
  • GPS external antenna  
  • Wi‐Fi external antenna 
  • Quick Start Guide

Specifications

Mount Center-balanced Equatorial Mount (CEM)
Payload 52kg (115 lbs), exclude counterweight*
Mount weight 26kg (57 lbs)
Payload/Mount weight ratio 2
Material All metal
Latitude adjustment range 0°~ 68° (0.5 arcmin division)**
Azimuth adjustment range ± 5° (3 arcmin division)
PE (by encoder) < ±3.5 arcsec
Worm period 240 sec
PEC PPEC
Right Ascension worm wheel Φ216mm, 360 teeth, zero backlash
Declination worm wheel Φ216mm, 360 teeth, zero backlash
Worm Φ26mm
Right Ascension axle Φ80mm, steel
Declination axle Φ80mm, steel
Right Ascension bearings Φ125mm
Declination bearings Φ125mm
Counterweight shaft Φ38.1x 540 mm (SS, anti-slip, 4.5kg)
Counterweight 10 kg (22 lbs)
Mount base size 210 x 230 mm
Motor drive Precision stepper motor w/128 micro-step
Resolution 0.07 arc seconds
Slew speed 4°/sec (960x) max.
Hand Controller Go2Nova® 8407 V2, 8 line 21 character LCD
Power requirement DC 12V, 5A
Power consumption 0.7A(Tracking),1.8A(GOTO)
Polar Scope Optional electronic polar scope
Meridian treatment Stop (0-14° pass), auto flip
Zero position Automatic zero search
Park position Horizontal, vertical, current, alt/azi input
Level indicator YES
Dovetail saddle Losmandy D, 17.2" (437mm)
GPS YES
Guiding port ST-4
Communication port RS232, USB, LAN, WiFi
Cable management 2xDC12V (1A), DC5V(1A), 2xDC (5A), ST4, 6P6C, 4xUSB2.0, USB3.0 (powered), USB for PS, AUX
Pier/Tripod Optional pier
Warranty Two year limited

 

* These are only guidelines. Some telescopes are very long or very big for their weight and may require a larger mount. Remember also that imaging requirements are more rigid than visual observation.

Downloads / Manuals

Manual: 

Quick Start Guide 
Instruction Manual 
Electronic Polar Scope (PoleMaster) Installation Instructions 
AUX port plug (DIN-422) assembly 

Firmware: 

Download Latest Firmware 

iOptron Telescope ASCOM Driver:

Install ASCOM Driver and Commander 

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