The iOptron® CEM40 mount is the next generation of center-balanced equatorial mounts. This mount is incredibly eye-pleasing, and its beauty is found in more than its appearance. The functionality of the mount is superb. Weighing in at only 15.8lbs., this mount can support a payload of up to 40lbs.! That’s incredible!
This mount also has an integrated electronic polar finder scope known as the iPolar. This tool ensures the accurate alignment of a telescope, even when the pole star is obscured. There are large levers on the quick-lock drive engagement system; these large levers make it easy to snap the gears into place.
Innovative iOptron Technology
Make way for an innovative mount! This iOptron CEM40 mount uses iOptron’s patent-pending Universal Self-Centering Saddle (USCS). This saddle accommodates Losmandy and Vixen-style dovetail plates. The CEM40 also uses iOptron’s ultra-quiet, low-power consumption stepper motor drive system, aiding the mount in providing precise tracking.
Computerized Mount Features
The iOptron CEM40 mount uses the Go2Nova® 8407 hand controller to navigate the night sky. This incredible technology helps observers find celestial objects with the aid of the mount’s 212,000+ object database! For those looking for a telescope that has the capability of tracking and finding beautiful night sky objects, this mount is a must have tool.
With the included tripod, 10lbs. counterweight, and the mount’s computerized technology, observers are just an OTA away from a spectacular viewing experience!
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Mount | Center-Balanced Equatorial Mount |
Max payload* | 40 lb (18 kg), exclude counterweight |
Mount weight | 15.8 lb (7.2 kg) |
Payload/Mount weight | 2.5 |
Structure Material | All metal, CNC machined |
Exterior Finish | Anodized red/black |
Latitude adjustment range | 0º ~ 60º(special CW shaft mounting if <10° ) |
Azimuth adjustment range | ± 6º |
Tracking accuracy (PE)** | <0.25 arcsec rms |
PEC | Real-time PEC (RPEC) |
Period | 400 sec |
Worm diameter | Φ17mm, Brass |
Right Ascension worm wheel | Φ110mm, 216 teeth, zero backlash |
Declination worm wheel | Φ110mm, 216 teeth, zero backlash |
Right Ascension axis shaft | Φ45mm steel |
Declination axis shaft | Φ45mm steel |
Right Ascension bearings | Φ68mm |
Declination bearings | Φ68mm |
Counterweight shaft | Φ20X410 mm, Stainless Steel (1 kg) |
Counterweight | 10lbs (4.5kg)X1 |
Motor | Precision stepper motor, 1.8º/128X micro-step |
Motor resolution | 0.08 arcsec (200 PPS) |
Transmission | Synchronous belt |
Hand Controller | Go2Nova® 8407+, 8 line 21 character LCD |
Star Database | 212,000+, star identification |
Power | DC 12V, 5A |
AC adapter | 100V ~ 240V (included) |
Power consumption | 0.6A(Tracking), 0.9A(GOTO) |
Power-down memory | Yes |
Polar scope | Internal iPolar TM electronic polar scope |
Meridian treatment | Stop (0-10° pass), flip |
Zero position | Automatic zero search |
Dovetail saddle | iOptron Universal Saddle, 5″ |
Max slew speed | 4.5°/sec (1080x) |
Guiding port | ST-4 |
Communication port | USB |
GPS | Yes |
WiFi | External (optional) |
Cable Management | DC12V (3A), ST4,USB |
Tripod | 1.5″ Stainless Steel(5kg), optional 2″ or tri-pier |
Hard case | Included |
Operation temperature | -10ºC ~ 40ºC |
Warranty | Two year limited |
* OTA size and length dependent
** Measured with encoder, 400 seconds
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