iOptron CEM70-EC Center Balanced Equatorial GoTo Mount with RA Encoder
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 iOptron CEM70-EC Center Balanced Equatorial GoTo Mount with RA EncoderiOptron CEM70-EC Center Balanced Equatorial GoTo Mount with RA Encoder 

iOptron CEM70-EC Center Balanced Equatorial GoTo Mount with RA Encoder

£3,998.00✓ 2 year warranty

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About this product

Model:  iop_cem70-ec_C704A0
Part Number:  C704A0

New CEM70-EC with integrated Right Ascension encoder for realtime periodic error correction

Retaining the inherent properties of the centre balance design, this relatively compact mount provides an impressive 70 lbs (31.8 kg) payload capacity, precise GOTO pointing and accurate tracking (PE <±3.5 arc-sec) so will appeal to both both visual astronomers and astrophotographers. 

An impressive features list includes an internal iPolar electronic polar scope and easy lock drive gear engagement (levers large enough to use with gloves).

It also features an advanced cable management system for the mount, iPolar, guider, and camera. 

FEATURES

  • A new design, center-balanced equatorial mount (CEM) for maximum payload with natural stability
  • Ideal for both visual observation and astrophotography
  • Payload of 31.8kg / 70lbs with the mount weight of 13.6kg / 30lbs
  • 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
  • iPolar electronic polar scope
  • Go2Nova® 8407+ V2 controller with Advanced GOTONOVA® GOTO Technology with built in heater
  • High precision tracking with low periodic error (PE <0.3 arcsec rms)
  • Realtime periodic error correction (RPEC) using integrated RA encoder
  • 32-channel Global Positioning System (GPS)
  • USB connection
  • Integrated ST-4 autoguiding port
  • Advanced cable management system with more choices
  • Spring loaded 8" Vixen/Losmandy dual saddle
  • Hard case

Go2Nova Hand Controller 8407

  • 200,000+ 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

What's in the box

  • Mount head – with iPolar electronic Polar Scope
  • Hand Controller (HC) – Go2Nova® 8407+
  • Counterweight – 21 lbs (9.5 kg)
  • Stainless steel counterweight shaft
  • Built-in GPS module
  • Hand controller coiled cables
  • USB cable
  • AC adapter – 100-240V (DC output 12V/5A)
  • Hard case
  • Quick Start Guide
  • Tripod NOT included 

Specifications

Mount Center-balanced Equatorial Mount (CEM)
Payload 31.8kg (70lbs), exclude counterweight*
Mount weight 13.6kg (30lbs)
Payload/Mount weight ratio 2.33
Material All metal
Latitude adjustment range 0°~ 65°
Azimuth adjustment range ± 4°
PE (by encoder) < 0.3 arcsec rms*
Worm period 348 sec
PEC PPEC
Right Ascension worm wheel Φ151mm, 248 teeth
Declination worm wheel Φ151mm, 248 teeth
Worm Φ21.2mm
Right Ascension axle Φ55mm, steel
Declination axle Φ55mm, steel
Right Ascension bearings Φ80mm
Declination bearings Φ80mm
Counterweight shaft Φ28x 415 mm (SS, 1.9kg)
Counterweight 9.5 kg (20 lbs) x1
Mount base size Φ152mm
Motor drive Precision stepper motor w/128 micro-step
Resolution 0.07 arc seconds
Slew speed 3.75°/sec (900x) max.
Hand Controller Go2Nova® 8407+, 8 line 21 character LCD
Power requirement DC 12V, 5A (5.5mm/2.5mm plug)
Power consumption 0.6A(Tracking),0.8A(GOTO)
Polar Scope Internal electronic polar scope, iPolar
Meridian treatment Stop (0-10° pass), auto flip
Zero position Automatic zero search
Park position Horizontal, vertical, current, alt/azi input
Level indicator YES
Dovetail saddle 8" Losmandy D & Vixen
GPS YES
Guiding port ST-4
Communication port USB2.0
Cable management 2xDC12V (3A), 3xUSB2.0, 1xDC in/1xDC out, iPort.
1X USB input for mount and USB hub
Operation temperature range -20°C ~ +45°C
Hard case YES
Pier/Tripod Optional LiteRoc tripod or pier
Warranty Two year limited

 

* iOptron's quoted max' payload is a guide only. If you will be using the mount for astrophotography (or your telescope is unusually long or large) we recommend the quoted max' payload be reduced by 1/3rd. 

** Measured with encoder on the bench, 348 seconds

Downloads / Manuals

Manual: 

Quick Start Guide 
Instruction Manual 
iPolar Operation Manual 

Firmware: 

Download Latest Firmware 
iPolar Software 
FTDI VCP Driver, or go to FTDI Chip website to download the VCP driver

iOptron Telescope ASCOM Driver:

Install ASCOM Driver and Commander 

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