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iOptron HEM27A Harmonic Drive
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The iOptron HEM27 is a lightweight hybrid (equatorial & alt-azimuth) mount featuring state-of-the-art harmonic drive technology. With a capacity of 30 lbs while only weighing 8 lbs, the HEM27 has the ability to carry many times its weight, which has endless benefits to astrophotographers.
Unlike traditional EQ mounts, harmonic drive mounts can carry payloads totaling many times the weight of the mount itself without cumbersome counterweights, making them perfect for the traveling astrophotographer. The HEM27 weighs in at a mere 8 lbs (3.6 kg) and can carry a staggering 30 lbs (13.6 kg) payload capacity without counterweights. This makes it light and small enough to set up in just a few minutes or even fit in a luggage bag for air travel.
The HEM27 comes in three versions to suit the needs of astrophotographers:
The standard HEM27 will be enough for many, but for those looking for prefer precision when polar aligning, this upgraded HEM27A model comes with iPolar. The top-of-the-line HEM27EC model features an encoder on the RA axis for incredible tracking accuracy without the need for guiding in most instances. There is also an optional carbon fiber tripod for the HEM27 which features an adjustable height of 21" to 36.8" and is lightweight enough to take with you anywhere. Each version comes with a padded carry case to protect the mount and accessories when transporting.
The HEM27 is a hybrid mount, meaning it can operate in both equatorial mode for astrophotography imaging and alt-azimuth mode for simple visual observations. All versions of the HEM27 come with iOptron's Go2Nova hand controller with a 212,000 object database. The body is a black-anodized, all-metal CNC-machined body that can withstand rugged use and transport. The HEM27 also features a unique friction brake system to safely stop mount movement during unplanned power interruption. It even has power down memory, which allows the mount to stop and resume a GoTo slew or continue tracking after a power loss. Unlike other mounts, this means there's no need to realign and start your imaging session over. Other attributes include a dual saddle for both Losmandy D and Vixen V style dovetails, a built-in zero position, permanent periodic error correction (PPEC), real-time periodic error correction on the HEM27EC, a two-year warranty, and more.
|Drive Type||Harmonic Drive|
|Instrument Capacity||30 lb|
|Latitude Range||15 to 65 Degrees|
|Mount Head Weight||8 lb|
|Periodic Error Correction (PEC)||Yes|
|Power Supply||DC 12v 5a (included)|
|Telescope Connection||Dual Vixen & Losmandy|
|Total Kit Weight||8 lbs|