Description
Introducing the HEM27 and the HEM27EC, iOptron’s revolutionary hybrid harmonic drive mounts. These light weight, high payload tiny titans will deliver an astronomy experience like never before. Imagine a mount head weighing in at 8.15lbs with a payload capability 29.74lbs, without needing a cumbersome counterweight or shaft. Applying iOptron’s multi decade experience creating precision mounts, the HEM27 brings this vision to reality.
Utilizing state of the art harmonic drive technology for the RA movement in tandem with backlash-free DEC worm/belt drive design, the HEM27s deliver 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).
The HEM27EC features a high precision RA axis encoder that delivers incredible tracking accuracy, enough that many will choose to image “sans” guiding.
Features
- Advanced harmonic drive technology
- Payload capacity of 13.5 kg (29.7 lbs) with the mount weight of 3.7 kg (8.15 lbs)
- CNC machined and cast metal body
- Unique friction brake to safely stop movement during a planned or unplanned power interruption
- 360 second gear period
- High precision encoder with realtime PEC (RPEC)
- 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
- Soft carrying case
- Two year warranty
Specifications
| Mount | Hybrid Equatorial Mount |
| RA Gear system | StrainWave 17 (RA)/worm gear (DEC) |
| DEC Gear system | Backlash-free worm/belt system |
| RA reduction ratio | 120 |
| Payload w/o CW * | 29.14 lbs (13.5kg) |
| Mount weight | 7.49lbs (3.4kg) w/o dovetail saddle, 8.15 ls (3.7kg) with dovetail saddle |
| Payload/Mount weight | 3.65 |
| Period | 360 second |
| Drive motor | Stepper motor |
| Structure Material | All metal, CNC machined |
| Exterior finish | Anodized black |
| High precision encoder | Yes (RA) |
| PEC | Yes, Realtime PEC |
| Latitude adjustment range | 15º ~ 65º |
| Azimuth adjustment range | ± 5º |
| 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 | 6º/sec |
| Power consumption | 0.5A(Tracking), 1A(GOTO) |
| Power requiremention | 12V DC, 5A |
| AC adapter | 100V ~ 240V (included, indoor use only) |
| Power off brake | Electronic friction brake |
| Power-down memory | Yes |
| Wi-Fi | Built-in |
| Communication port | Yes (Wi-Fi and USB) |
| Autoguide port | Yes (ST-4 compatible) |
| Firmware upgrade | Yes |
| Tripod | Optional |
| Operation temperature | -20ºC ~ 50ºC (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.
Fast Shipping and Professional Packaging
Due to our longstanding partnership with UPS FedEx DHL as well as other major international carriers, we are able to provide various shipping options. Our warehouse personnel will pack each item according to our strict requirements. Before they are shipped, your goods will be thoroughly examined and secured. Everyday, we send to thousands of clients in different countries. This is a sign of our determination to become the largest online retailer globally. The warehouses and centers for distribution are in Europe, as well as the USA.
Note that orders containing more than one item will be processed according to the specific item.
Before shipping before shipping, we'll inspect thoroughly the items you've purchased. Most orders are delivered within 48 hours. The estimated delivery time is between 3 and 7 days.
Returns
The inventory is always changing and we do not fully manage it because of the fact that many parties are involved, including our warehouse and factory. Therefore, the actual inventory could change at any time. It's possible that your order will be unable to fill when you have placed the order.
Our policy is valid for 30 days. If 30 days have gone without a trace since the purchase and we are unable to offer an exchange or refund.
In order for your item to be returned it must be in its original packaging, unopened and in the same condition as when you received it in. It must also be in its original packaging.
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