HEM27 Mount Head


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SKU: H272

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    HEM27 Mount Head


    The HEM27, iOptron’s revolutionary hybrid harmonic drive mount.

    Mount head weighing in at 3.7kgs with a payload capability 13.5kgs

    Optional Carbon Fibre Tripod available

    Introducing the HEM27, 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 3.7kgs with a payload capability 13.5kgs, 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).


    • Advanced harmonic drive technology
    • Payload capacity of 13.5 kg with the mount weight of 3.7 kg
    • CNC machined and cast metal body
    • Unique friction brake to safely stop movement during a planned or unplanned power interruption
    • 360 second gear period
    • Permanent periodic error correction (PPEC)
    • Go2Nova® hand controller with ~212,000 object database
    • 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

    Note: Does not include Tripod (available separately)


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