Why Purchase from All-Star Telescope?
Free Expert Support
Whether you are a first timer needing help with setting up or an enthusiast that can't quite make that one thing work, our expert staff are ready to support your needs. With decades of knowledge and first hand experience we've been there and we can help you through it!
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30 Day Return Policy
Buy with confidence knowing that we accept returns up to 30 days after purchase. We want you to have something you will actually use and we are confident that we keep good quality products in our store with No Junk.
Price Match Promise
Shipping around for the best price is tough, we make it easier by offering the best pricing in the market. But if you find a better price on an in-store item somewhere else we will match it!
Product Description
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 17.2lbs, this mount can support a payload of up to 40lbs! That's incredible!
Innovative iOptron Technology
Make way for an innovative mount! This mount 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.
This iOptron CEM40 mount has a dual saddle that accommodates Losmandy and Vixen-style dovetail plates. It 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, 11lbs counterweight, and the mount's computerized technology, observers are just an OTA away from a spectacular viewing experience!
Note: This mount uses #8027 counterweight
Specifications
| Mount | Center-Balanced Equatorial Mount |
| Max payload* | 40 lb (18 kg), exclude counterweight |
| Mount weight | 17.4 lb (7.9 kg) |
| Payload/Mount weight | 2.28 |
| Structure Material | All metal, CNC machined |
| Exterior Finish | Anodized red/black |
| Latitude adjustment range | 0° ~ 60° (special CW shaft mounting if <10°) |
| Azimuth adjustment range | ± 6° |
| Tracking accuracy (PE)** | <±7 arcsec |
| PEC | PPEC |
| 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 | Φ28x280 mm SS 1.2 KG |
| Counterweight | 5KG (11lb) |
| Motor | Precision stepper motor, 1.8°/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 (5.5mm/ 2.5mm plug) |
| AC adapter | 100V ~ 240V (included, for indoor use only) |
| Power consumption | 0.6A(Tracking), 0.9A(GOTO) |
| Power-down memory | Yes |
| Polar scope | Internal iPolarTM electronic polar scope |
| Meridian treatment | Stop (0-10° pass), flip |
| Zero position | Automatic zero search |
| Dovetail saddle | 6" Losmandy D & Vixen |
| 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 | -10°C ~ 40°C |
| Warranty | Two year limited |
* OTA size and length dependent
** Measured with encoder, 400 seconds