iOptron CEM40G - Compact powerhouse for serious observation
The iOptron CEM40G is designed for observers who want to combine precision, portability and ease of use. At only 8.2 kg, this mount is light enough to take anywhere, but strong enough to stably carry telescopes up to 18 kg. So you have a reliable setup for both quick sessions under dark skies and long nights in your own garden observatory.
Quick and easy alignment
The built-in iPolar electronic polar finder makes alignment accurate and effortless. Even if the North Star is not visible, the iPolar helps you achieve a perfect alignment so you can start observing or photographing faster.
Smart design for smooth use
Large clamps let you move the axes freely, even with gloves on. Internal cable management prevents entanglements and breakages, keeping your system neat and secure. The Universal Self-Centering Saddle keeps your telescope perfectly centered and is compatible with both Losmandy and Vixen swallowtails - handy if you use different optics.
Durably built for years of use
The CNC-machined aluminum housing gives the mount a stylish, robust appearance. The quiet stepper motors move smoothly and precisely, without vibration or disturbing noise. Perfect for those who want to work quietly, even on balconies or quiet nights.
Intelligent control with Go2Nova
The Go2Nova 8407+ system puts you in complete control. The bright, heated display prevents condensation and gives access to more than 359,000 celestial objects. The built-in GPS system automatically sets location and time so you can start observing right away.
Built-in iGuider - simplicity for astrophotographers
The CEM40G includes the new iGuider, an integrated autoguider that automatically corrects the tracking of celestial objects. This eliminates the need for a separate autoguider, making your setup simpler and lighter.
Light, stable and reliable LiteRoc tripod
The included LiteRoc tripod combines stability with low weight. With its strong steel legs and sturdy clamps, the tripod provides a stable base for long exposures, without vibration. Ideal for mobile observers who still want maximum sturdiness.
The iOptron CEM40G is a modern, quiet and smart mount that helps you see more - with less hassle.
Capacity
| Feature | Description |
|---|---|
| Max. load capacity | 18 kg |
| Counterbalance(s) | 1 × 4.5 kg |
| Weight of the mount | 8.2 kg |
Assembly and Mechanics
| Feature | Description |
|---|---|
| Design | Equatorial |
| Mounting saddle | Losmandy & Vixen compatible |
| Drive type | Wormwheel |
| Engine type | Stepper motors (1.8°/128 microsteps) |
| Encoder | No |
| Azimuth fine adjustment | ±6° |
| Pole adjustment | 0° - 60° |
| Polar alignment | iPolar electronic |
| Worm gear diameter (RA/DEC) | 110 mm |
| Worm gear teeth (RA/DEC) | 216 |
| Diameter wormas (RA/DEC) | 17 mm |
| RA/DEC shaft diameter | 45 mm |
| Counterweight bar diameter | 28 mm |
| Counterweight bar length | 280 mm |
| Material shafts | Steel |
Controls and Electronics
| Feature | Description |
|---|---|
| GoTo system | Yes |
| Hand controller | Go2Nova 8407+ |
| Object database | 359,000+ objects |
| GoTo accuracy | ±7″ |
| PEC correction | Yes |
| GPS | Built-in (32-channel) |
| Autoguiding | iGuider integrated |
| Interfaces | Autoguider, USB |
| Language | English |
| Software | Go2Nova 8407 |
| WLAN | Optional |
Power and Cable Management
| Feature | Description |
|---|---|
| Input voltage | 12V |
| Current | 5A |
| Cable Management | Internal cable system |
Tripod
| Feature | Description |
|---|---|
| Type | iOptron LiteRoc |
| Material | Steel |
| Diameter of tripod legs | 45 mm (top) / 38 mm (bottom) |
| Stability | High, low-vibration |
| Transport case | Yes |
General
| Feature | Description |
|---|---|
| Series | CEM40 |
| Type | Mount |
| Design | Equatorial |
| Use | Visual observation & astrophotography |
| Autoguider | iGuider integrated |
| Pole finder | iPolar |
| Database | 359,000+ objects |
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