Product Overview
Following the success of the iOptron CEM60 centre balanced equatorial mount, iOptron introduces two medium payload centre balanced mounts. The CEM70 and the revolutionary CEM70G, the new standard bearers for EQ mounts in the 70lbs payload segment. Both models are packed with advanced features however is the first of its type with an onboard optical guiding system increasing tracking accuracy while streamlining the components resulting an a more portable imaging setup.
Retaining the inherent properties of the centre balanced design, these relatively compact medium payload mounts deliver what astronomers expect in an efficient accurate portable mount. Precise GOTO point and accurate tracking indicatd the CEM70 is a solid performer for observers and imagers alike.
Innovative features such as the internal iPolar electronic polar scope, easy lock drive gear engagement, that can be used with gloves, and advanced cable management system, iPolar, guider camera. assure users the CEM70 and 70G are 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 support. (CEM70 is USB2.0 only and optional wifi) A hard case is included with each mount.
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Specifications
| Mount | Center-balanced Equatorial Mount (CEM) |
| Payload* | 31.8kg (70 lbs), exclude counterweight |
| Mount weight | 13.6kg (30 lbs) |
| 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 | Real-time PEC(RPEC) |
| Right Ascension worm wheel | F151mm, 248 teeth |
| Declination worm wheel | F151mm, 248 teeth |
| Worm | F21.2mm |
| Right Ascension axle | F55mm, steel |
| Declination axle | F55mm, steel |
| Right Ascension bearings | F80mm |
| Declination bearings | F80mm |
| Counterweight shaft | F28x 415 mm (SS, 1.9kg) |
| Counterweight | 9.5 kg (20 lbs) x1 |
| Mount base size | F152mm |
| 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 | -10°C ~ +40°C |
| Hard case | Yes |
| Pier/Tripod | Optional LiteRoc tripod or pier |
| Warranty | Two year limited |
** Measured with encoder on the bench, 348 seconds
