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

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

£4,289.00✓ 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