IOptron Mount CEM70G GoTo
Original price was: $344.00.$99.99Current price is: $99.99.
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Product description
Similar to illustration. (tripod not included in delivery)
Following the great success of the CEM60, iOptron is launching a new mount in this size class that offers even more innovations!
The new CEM70 comes with the characteristic appearance of the tried and tested CEM mount. CEM stands for centre-balanced equatorial mount. This design allows a particularly favourable ratio of load capacity to weight of mount. In the case of the CEM70, the ratio is 2.3. So the mount carries more than twice its own weight! This makes the CEM70 suitable for mobile applications, but is also a very good mount for observatories.
The stepper motors and the toothed belt drive allow high pointing accuracy in GoTo mode, and most importantly, a very precise tracking accuracy with a periodic error of less than +/- 3.5 arc seconds – and all that with the usual quiet operation of all iOptron mounts.
The CEM70 is available in two versions:
In addition to the features mentioned above, the standard version offers:
- Integrated iPolar camera. This camera replaces the classic polar finder and allows convenient, precise alignment using a laptop
- Stepper motors (1.8° with 128 microsteps) for precise pointing and tracking
- Go2Nova 8407 hand controller with built-in heater to prevent condensation on the large display
- 32 channel GPS: the computer controller always knows where it is and already knows the date and time for GoTo initialisation
- Advanced cable management with connectivity options for accessories
- Dual mount saddle for Vixen- and Losmandy-standard dovetail plates. With a length of 20 centimetres, the saddle safely holds even heavy optics!
- Rotary knobs are large and easy to use with gloves
Both versions of the CEM70 can be connected to an autoguider over a ST-4 interface. This enables precis tracking control for long-exposure images.
The CEM70G version has also an integrated autoguider, the new iGuider from iOptron! With this version of the CEM70, a separate autoguider solution is no longer necessary!
In addition, only the CEM70G version offers a built-in WLAN (WiFi) and a fast USB 3.0 interface for communication with an external computer (PC or laptop). With the CEM70G, astrophotographers can look forward to an extremely powerful tool that leaves nothing to be desired, even when it comes to payload.
Both versions of the CEM70 are supplied in a sturdy transport case.
Our expert comment:
If there are small discrepancies when the “zero position” is first activated, iOptron has provided advice to resolve this:
“Search zero position is a function to bring the mount to a rough zero, a few degrees off is possible. At the end of Search Zero, it will ask calibration. Use arrow keys to move RA and DEC to adjust the positions to physical zero position. When done, set zero position. This position will be memorized in the controller as Zero Position.
One may further refine zero position by the following steps:
Search zero -> goto a bright star and center it ->sync to target -> goto zero position ->set zero position.
This is a true (accurate) zero position.”
(Jan Ströher)
| Designation | CEM70 |
|---|---|
| Series | CEM CEM CEM stands for centre-balanced equatorial mount.Click to read more… |
| Motor type | Stepper motors |
| Cable-guide | internal |
| GoTo system | yes |
| Transport cases | yes |
| Tripod | without tripod |
| Pole finder | yes |
| Power pack | yes |
| Total weight(kg) | 21,8 |
| Type | Mount |
| Material of worm gear | Steel |
| Type of build | Equatorial |
| Useful for photographs | yes |
| GPS | yes |
| with hand paddle | yes |
| Software | Go2Nova 8407 |
| WIFI | yes |
| Autoguiding | iGuider |
| PEC correction | yes |
| Diameter of counterweight bar(mm) | 28 |
| DEC worm shaft diameter(mm) | 55 |
| Max. additional load capacity(kg) | 31 |
| Motor speeds | 1x, 2x, 8x,16x, 64x, 128x, 256x, 512x, max ~3.75º/sec |
| Weight mount head only(kg) | 13,6 |
| Counterweight(s)(piece) | 1 (9,5kg) |
| Interfaces | Autoguider, USB |
| Power supply | 12 |
| Language | English |
| Polar elevation setting(°) | 0 – 65 |
| Slow-motion azimuth adjustment(°) | +/- 4 |
| Operating temperature | (-20) – (+45) |
| Mounting saddle | Losmandy & Vixen |
| RA worm shaft diameter(mm) | 55 |
| DEC ball bearings diameter(mm) | 80 |
| RA ball bearings diameter(mm) | 80 |
| DEC worm gear diameter(mm) | 151 |
| RA worm gear diameter(mm) | 151 |
| Worm gear teeth (DEC)(piece) | 248 |
| Worm gear teeth (RA)(piece) | 248 |
| Encoder | no |
| Precision of tracking | +/- 3,5 |
| Polar Alignment | iPolar |
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