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Following up on the success of the iOptron CEM60 center balance equatorial mount, we at iOptron are excited to introduce two new medium payload center balance mounts. The CEM70 and revolutionary CEM70G are new standard bearers for equatorial mounts in the 70lb payload segment. Both models are packed with advanced features however the CEM70G is the first of its type with an onboard optical guiding system increasing tracking accuracy while streamlining the components resulting in a more portable imaging setup.
Retaining the inherent properties of the center balance design, these relatively compact medium payload mounts deliver what astronomers expect in an efficient accurate portable mount. With precise GOTO pointing and accurate tracking (PE <±5 arcsec) the CEM70 is a solid performer for observers and imagers alike.
Innovative operational features such as the internal iPolar electronic polar scope, easy lock drive gear engagement (levers large enough to use with gloves), an advanced cable management system for the mount, iPolar, guider, and camera, and cumulatively assure users the CEM70 and 70G designed with their needs in mind. On top of the built-in guiding system the CEM70G also comes standard with WiFi and USB 3.0.
The CEM70G includes the iPolarTM electronic polar scope, iGuiderTM onboard autoguiding camera and a hard case.
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Mount
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Center-balanced Equatorial Mount (CEM)
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Payload*
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31.8kg (70 lbs), exclude counterweight
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Mount weight
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13.6kg (30 lbs)
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Payload/Mount weight ratio
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2.33
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Material
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All metal
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Latitude adjustment range
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0°~ 65°
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Azimuth adjustment range
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± 4°
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PE (by encoder)**
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< ±5 arcsec
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Worm period
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348 sec
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PEC
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PPEC
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Right Ascension worm wheel
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Φ151mm, 248 teeth
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Declination worm wheel
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Φ151mm, 248 teeth
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Worm
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Φ21.2mm
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Right Ascension axle
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Φ55mm, steel
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Declination axle
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Φ55mm, steel
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Right Ascension bearings
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Φ80mm
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Declination bearings
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Φ80mm
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Counterweight shaft
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Φ28x 415 mm (SS, 1.9kg)
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Counterweight
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9.5 kg (20 lbs) x1
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Mount base size
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Φ152mm
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Motor drive
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Precision stepper motor w/128 micro-step
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Resolution
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0.07 arc seconds
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Slew speed
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3.75°/sec (900x) max.
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Hand Controller
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Go2Nova® 8410, 8 line 21 character LCD
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Power requirement***
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DC 12V, 5A
(5.5mm/2.5mm plug)
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Power consumption
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0.6A(Tracking),0.8A(GOTO)
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Polar Scope
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Internal electronic polar scope, iPolar
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Meridian treatment
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Stop (0-10° pass), auto flip
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Zero position
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Automatic zero search
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Park position
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Horizontal, vertical, current, alt/azi input
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Level indicator
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YES
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Dovetail saddle
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8" Losmandy D & Vixen
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GPS
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YES
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Guiding port
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ST-4
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Communication port
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USB3.0, Wifi
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Cable management
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2xDC12V (3A), 3xUSB3.0, 1xDC in/2xDC out, iPort.
1X USB input for mount, iGuider, iPolar and more
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Guiding scope/camera
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Built in guiding scope and camera, iGuider
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Operation temperature range
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-10°C ~ +40°C
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Hard case
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YES
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Pier/Tripod
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Optional LiteRoc tripod (8023ACC) or pier
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Warranty
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Two year limited
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* OTA size and length dependent.
** Measured with encoder on the bench, 348 seconds
*** Included AC adapter is for indoor use only
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Features
- A new design, center-balanced equatorial mount (CEM) for maximum payload with natural stability
- Ideal for both visual observation and astrophotography
- Payload of 70 lbs (31.8 kg) with the mount weight of 30 lbs (13.6 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
- iPolarTM electronic polar scope
- Go2Nova® 8410 controller with Advanced GOTONOVA® GOTO
Technology with built in heater
- High precision tracking with low periodic error (PE)<±5 arcsec
- Permanent periodic error correction (PPEC)
- Onboard iGuiderTM autoguiding system
- 32-channel Global Positioning System (GPS)
- Built-in WiFi for remote operation
- USB3.0 connection
- Integrated ST-4 autoguiding port
- Advanced cable management system with more choices
- Spring loaded 8" Vixen/Losmandy dual saddle
- NEW iOptron subsidized TheSky Imaging Edition
PACKAGE CONTENTS
Box 1 of 2: #C702AG
1x CEM70G mount head in hard case with accessories
Box 2 of 2: #7226
1x 9.5kg counterweight
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