iOptron
iOptron HEM44 Hybrid Equatorial Mount with iPolar
iOptron HEM44 Hybrid Equatorial Mount with iPolar
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Freedom from cumbersome counterweights and shaft is here!
Introducing the HEM44, iOptron’s latest revolutionary hybrid strain wave gear mounts. This light weight, compact, medium payload titan will deliver an astronomy experience like never before. Imagine a mount head weighing in at 6.2 kg with a payload capability 20 kg, without needing a cumbersome counterweight or shaft. Applying iOptron’s multi-decade experience creating precision mounts, the HEM44 brings this vision to reality.
Utilizing state of the art strain wave gear technology for the RA movement in tandem with backlash-free DEC worm/belt drive design, the HEM44 delivers unparalleled weight to payload efficiency. Its black anodized all metal CNC machined body is not only appealing to the eye, it’s a rugged platform that will perform at the highest level for many years to come. Unique features such as an electronic friction break and power down memory allow the mount safely stop and resume a GoTo slew or continue tracking even after an abrupt power loss (No need to realign and start from the beginning).
A HEM44 mount can be controlled by a computer, either via ASCOM/Commander for a Windows PC or a third party INDI driver for a MacOS software; a SmartPhone/Tablet via iOptron Commander Lite or an App like SkySafari; or a Raspberry Pi device via INDI driver.
Features
- Advanced strain wave drive technology
- Payload capacity of 20 kg with the mount weight of 6.2 kg
- CNC machined
- Unique friction brake to safely stop movement during a planned or unplanned power interruption
- 270 second gear period
- Go2Nova® hand controller with ~212,000 object database
- iPolar electronic polar scope for easy and accurate polar alignment
- Cable management system, no hanging exterior cables to moving parts
- Dual saddle (Vixen and Losmandy-D styles)
- Built in zero position search and locator
- Power down position and location memory
- Integrated ST-4 autoguiding port
- Built-in Wi-Fi (via hand controller)
- USB port for firmware upgrade and computer control
- Aluminum carrying case
- Two year warranty
Tripod Option
add an iOptron Carbon Fibre Tripod with your mount.
Technical Specs
| Mount | Hybrid Strain Wave Equatorial Mount |
| RA gear system | StrainWave |
| DEC gear system | Backlash-free worm/belt system |
| RA reduction ratio | 640:1 |
| Payload w/o CW * | 20 kg |
| Mount weight | 5.9kg w/o dovetail saddle 6.2kg with dovetail saddle |
| Payload/Mount weight | 3.23 |
| Payload with CW* | 25kg |
| Period | 270 second |
| Drive motor | Stepper motor |
| Structure Material | All metal, CNC machined |
| Exterior finish | Anodized black |
| Latitude adjustment range | 15º ~ 65º |
| Azimuth adjustment range | ± 6º |
| Polar Scope | iPolar electronic polar scope |
| Level indicator | Level bubble |
| Control system | GOTONOVA/Commander |
| Hand Controller | Go2Nova® 8409 with ~212,000 objects database |
| Tracking | Automatic |
| Maximum slew speed | 4.5º/sec |
| Power consumption | 0.6A(Tracking), 1.2A(GOTO) |
| Power | DC12V-5A (5.5/2.5mm DC plug) |
| AC adapter | 100V ~ 240V (included, indoor use only) |
| Cable | No moving/wrapping |
| Cable management | 2X12V (4A max.), 1X USB2.0 |
| Power off brake | Electronic friction brake |
| Power-down memory | Yes |
| Wi-Fi | Built-in |
| Communication port | Yes (Wi-Fi and USB, via HC) |
| Autoguide port | Yes (ST-4 compatible) |
| Firmware upgrade | Yes |
| Dovetail saddle | Vixen & Losmandy |
| Tripod | Optional |
| Counterweight Shaft | SS Φ20X200mm, M16 thread (Optional) |
| Counterweight | 4.5kg(Optional) |
| Operation temperature | -20ºC ~ 40ºC (hand controller -10ºC ~ 40ºC) |
| Warranty | Two year limited |
* 200mm, with payload center of gravity to the RA rotation axis. Or an OTA size of ~220mm.
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