Experience the freedom from heavy counterweights and shafts with the new HEM44 and HEM44EC mounts from iOptron!
These cutting-edge, hybrid strain wave drive mounts are lightweight, compact, and capable of handling medium payloads, delivering an unparalleled astronomy experience. The HEM44 features a mount head that weighs just 13.65lbs yet supports up to 44lbs of payload, all without the need for bulky counterweights or a shaft. Drawing on iOptron’s decades of expertise in creating precision mounts, the HEM44 brings this innovation to life.
The HEM44 utilizes advanced strain wave drive technology for smooth RA movement and combines it with a backlash-free DEC worm/belt drive system for exceptional weight-to-payload efficiency. The mount's all-metal, CNC-machined body, finished with black anodization, not only looks sleek but is also built to last for years of high-performance use. Unique features like an electronic friction brake and power-down memory allow the mount to safely stop and resume GoTo operations, or continue tracking even after a sudden power loss—eliminating the need for realignment.
Control the HEM44 through a computer using ASCOM/Commander for Windows, a third-party INDI driver for macOS, or via smartphone/tablet using iOptron Commander Lite or SkySafari. It’s also compatible with a Raspberry Pi through an INDI driver.
The HEM44EC model takes it a step further, offering high-precision RA axis encoders for incredible tracking accuracy, ideal for those who prefer to image without the need for guiding.
Custom orders are available for HEM44 mounts with a low latitude range (0° to 50°).
Key Features:
- Advanced strain wave drive technology
- 44lbs (20kg) payload capacity with a 13.65lbs (6.2kg) mount weight
- CNC-machined, all-metal body with anodized black finish
- Electronic friction brake to prevent movement during power interruptions
- 270-second gear period
- Go2Nova® hand controller with a ~212,000 object database
- Cable management system to prevent exterior cables from interfering with moving parts
- Dual saddle (Vixen & Losmandy-D compatible)
- Zero-position search and locator built-in
- Power-down position and location memory
- Integrated ST-4 autoguiding port
- Built-in Wi-Fi via hand controller
- USB port for firmware upgrades and computer control
- Aluminum carrying case included
- 2-year limited warranty
Technical Specifications:
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Mount Type: Hybrid Strain Wave Equatorial Mount
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RA Gear System: StrainWave
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DEC Gear System: Backlash-free worm/belt system
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RA Reduction Ratio: 640:1
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Payload (without CW): 44 lbs (20 kg)
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Mount Weight (without dovetail): 13lbs (5.9kg) / with dovetail saddle: 13.65lbs (6.2kg)
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Payload/Mount Weight Ratio: 3.23
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Payload (with CW): 55 lbs (25 kg)
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Period: 270 seconds
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Drive Motor: Stepper motor
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Construction Material: All-metal, CNC-machined
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Exterior Finish: Anodized black
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Latitude Adjustment Range: 15º ~ 65º
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Azimuth Adjustment Range: ± 6º
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Polar Scope: None
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Level Indicator: Bubble level
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Control System: GOTONOVA/Commander
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Hand Controller: Go2Nova® 8409, 212,000 object database
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Tracking: Automatic
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Maximum Slew Speed: 4.5º/sec
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Power Consumption: 0.6A (tracking), 1.2A (GoTo)
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Power Supply: DC12V-5A (5.5/2.5mm DC plug)
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AC Adapter: 100V ~ 240V (included, indoor use only)
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Cable Management: 2X12V (3A max.), 1X USB2.0
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Power Off Brake: Electronic friction brake
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Power-Down Memory: Yes
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Wi-Fi: Built-in
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Communication Ports: Wi-Fi & USB (via HC)
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Autoguide Port: Yes (ST-4 compatible)
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Firmware Upgrade: Yes
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Dovetail Saddle Compatibility: Vixen & Losmandy
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Optional Tripod: Available
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Optional Counterweight Shaft: 10 lbs (4.5kg)
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Operating Temperature: -20ºC ~ 40ºC (hand controller -10ºC ~ 40ºC)
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Warranty: 2-year limited
*Payload specifications assume a center of gravity at the RA rotation axis, or an OTA size of approximately 220mm.
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Thank you for shopping with Offgrid Outlook. We're dedicated to delivering your orders quickly and reliably. Below are the details about our shipping process and policies:
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Restocking Fee:
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Return Shipping Costs:
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Return Shipping Label:
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Changing Shipping Address:
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