iOptron HEM27 Mount - Compact Power with Harmonic Drive Technology
The iOptron HEM27 is built for observers who want maximum performance in a lightweight and portable design. Thanks to the advanced Harmonic Drive technology you enjoy smooth, accurate tracking without the hassle of counterweights. Ideal if you are often out and about or like to travel with your telescope.
Light but powerful
The HEM27 weighs only 3.7 kg, but can still reach 13.5 kg carry. That means you get a sturdy setup without heavy ballast. Perfect for astrophotographers and visual observers who want mobility without sacrificing stability.
Smart and user-friendly
The built-in iPolar pole finder makes alignment easy and fast, even in low light. Internal cable routing keeps your setup tidy and prevents cables from getting tangled during tracking or slewing.
Reliable GoTo Accuracy
With the Go2Nova 8409 controller Get access to more than 212,000 sky objects. Operation is intuitive, allowing you to find stars, nebulae or planets in seconds. The automatic stop function on power failure protects your telescope and maintains alignment.
Exceptional tracking even without guiding
Thanks to Periodic Error Correction (PEC). tracking remains stable and smooth. Your images remain sharp even during long exposures. The Harmonic Drive motors work silently, without backlash, meaning your object stays exactly where you want it.
Double saddle for maximum flexibility
Whether you have a Vixen or Losmandy mounting plate used, the HEM27 is directly compatible with both. This makes it easy to change optical tubes without additional adapters.
Ready for modern astrophotography
With USB and ST4 ports, WiFi connectivity, and autoguiding support the HEM27 is immediately ready for use with popular software and cameras.
Specifications
Capacity
| Feature | Description |
|---|---|
| Max. load capacity (kg) | 13.5 |
| Counterweight(s) | No |
Interfaces
| Feature | Description |
|---|---|
| USB & ST4 Cable | Yes |
| Language | English |
Pole adjustment
| Feature | Description |
|---|---|
| Range (°) | 15 – 65 |
| Azimuth fine adjustment (°) | ±5 |
Mounting saddle
| Feature | Description |
|---|---|
| Type | Losmandy & Vixen |
General
| Feature | Description |
|---|---|
| Weight of the mount (kg) | 3,7 |
| Input voltage (V) | 12 |
| Amperage (A) | 5 |
| Material | Aluminum |
| Engine type | Harmonic / Strainwave |
| Propulsion mechanism | Gear |
Details
| Feature | Description |
|---|---|
| GoTo system | Yes |
| Hand controller | Yes |
| Level | Yes |
| PEC correction | Yes |
| Polar alignment | iPolar |
| WLAN | Yes |
Equipment
| Feature | Description |
|---|---|
| Tripod | Without tripod |
| Pole finder | Yes |
| Transport bag | Yes |
Software & Controls
| Feature | Description |
|---|---|
| GoTo language | English |
| Software | Go2Nova 8409 |
| Autoguiding | Yes |
| Database | 212,000 objects |
Series & Type
| Feature | Description |
|---|---|
| Series | HIM |
| Type | Equatorial mount |
| GoTo steering | Yes |
| GPS | No |
Dutch
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