iOptron HEM27 - Powerful, Lightweight Harmonic Drive Mounting
The iOptron HEM27 combines power, precision and portability in one smart mount. Thanks to the advanced Harmonic Drive Technology you no longer need counterweights, which makes transportation easier and use faster.
Compact, but strong
Weighing only 3.7 kg can the HEM27 to 13.5 kg carry. That means you can effortlessly mount medium-sized telescopes without the hassle of extra weights. Ideal for observers who like to travel light but don't want to compromise on stability or performance.
Accurate and reliable tracking
The HEM27 tracks celestial objects smoothly and stably, even without guiding. This keeps your images sharp, whether you're looking at the moon, planets or nebulae. Thanks to Periodic Error Correction (PEC). minor inaccuracies are corrected automatically, keeping your tracking perfect.
Smart and safe design
Internal cabling prevents cable tangling and damage during use. The mount stops automatically in case of power failure and maintains alignment so you can move on immediately after recovery.
Intuitive operation
The familiar Go2Nova 8409 handheld controller with a database of more than 212,000 objects makes navigation easy. Simply select your target and the mount does the rest. You can also connect via built-in WiFi For wireless control.
Double mounting saddle
The Vixen & Losmandy compatible clamp makes the HEM27 suitable for a wide range of telescopic tubes. You quickly switch between different setups without additional adapters.
Made for performance
The HEM27 is CNC-machined from high-quality aluminum and has a tough, anodized finish. Every detail is designed for durability, precision and ease of use - so you can concentrate on observation, not adjustment.
Perfect for astrophotography and visual observation
Whether you go out for deep-sky photography or just want to enjoy sharp visual observations - the HEM27 delivers constant, smooth tracking. Thanks to its low weight, you can take it anywhere.
Specifications
General
| Feature | Description |
|---|---|
| Type | Equatorial mount |
| Series | HIM |
| Design | Harmonic Drive |
| Weight of the mount | 3.7 kg |
| Max. load capacity | 13.5 kg |
Propulsion & Mechanics
| Feature | Description |
|---|---|
| Drive Type | Harmonic / Strainwave |
| Engine type | Harmonic drive |
| Material shafts | Aluminum |
| PEC correction | Yes |
| Autoguiding | Yes |
Controls & Software
| Feature | Description |
|---|---|
| GoTo system | Yes, Go2Nova 8409 |
| Object database | 212,000 objects |
| Hand controller | Included |
| WLAN | Yes |
| GPS | No |
| Polar alignment | Easy Polar Alignment |
| Software Language | English |
| GoTo language | English |
Interfaces & Connectivity
| Feature | Description |
|---|---|
| Interfaces | Autoguider, USB, ST4 |
| Cable management | Internal |
Mechanical Adjustment
| Feature | Description |
|---|---|
| Pole adjustment | 15° - 65° |
| Azimuth fine adjustment | ±5° |
| Mounting saddle | Vixen & Losmandy |
Power supply
| Feature | Description |
|---|---|
| Supply voltage | 12V DC |
| Power consumption | 5A |
| Automatic stop on power failure | Yes |
Equipment
| Feature | Description |
|---|---|
| Tripod | Not included |
| Pole finder | No |
| Transport bag | Yes |
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