Astronomy Specialist

iOPTRON CEM120

$6,999.00

Quantity
- +

 

Recognizing the growing demand for an accurate and stable equatorial mount with the versatility to carry larger instruments and more complex imaging arrays, iOptron created the CEM120.

It offers the benefits of iOptron's revolutionary “center balance” design: stability, accuracy, and smooth mechanical operation, while capable of carrying a payload up to 52 kg (115 lbs). 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.

 

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 52 kg (115 lbs) with the mount weight of 26 kg (57 lbs)
  • 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

 

Mount
Center-balanced Equatorial Mount (CEM)
Max payload 52 kg (115 lbs) excluding counterweight
Mount weight
26 kg (57 lbs)
Payload/Mount weight ratio 2
Body material
All metal, CNC machined, anodized
Periodic error (PE) <±3.5 arc seconds
PEC Yes, Permanent PEC
Worm period 240 sec
Right Ascension worm wheel Φ 216 mm, 360 teeth, zero backlash
Declination worm wheel Φ 216 mm, 360 teeth, zero backlash
Right Ascension axis shaft Φ 80 mm steel
Declination axis shaft Φ 80 mm steel
Right Ascension bearing Φ 125 mm
Declination bearing Φ 125 mm
Worm diameter Φ 26 mm
Motor drive Precision stepper motor, 128 x microdivision
Resolution 0.07 arc seconds
Latitude adjustment range 0º ~ 68º (0.5 arc minute division)
Azimuth adjustment range ± 5º (3 arc minute division)
Polar Scope Optional iPolar electronic polar scope
Level indicator Level bubble
Hand Controller Go2Nova 8407 V2, 8 line 21 character LCD
Meridian treatment Stop (0-14° pass), flip
Max slew speed 4°/sec (960 x)
Power consumption 0.7A (tracking), 1.8A (GOTO)
Power requirement 12V DC, 5A (5.5mm/2.5mm plug)
Park position Horizontal, vertical, current, Alt-Az input
Communication port RS232, USB, LAN, WiFi
Autoguide port ST-4
Cable management 2 x DC 12V (1A), DC 5V(1A), 2 x DC (5A), ST4, 6P6C, 4 x USB2.0, USB3.0 (powered), USB for PS, AUX
Counterweight shaft Φ 38.1 x 540 mm, Stainless Steel, anti-slip 4.5 kg
Counterweight 10 kg (22 lbs)
Tripod Optional pier
Dovetail saddle Losmandy D, 17.2" (437mm)
GPS Yes
Mount base size 210 x 230 mm
Warranty Two year limited
SKU IO-7300


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