Brand: iOptron

iOptron HEM15 w/ iPolar (H152A)

H152A

Brand: iOptron

iOptron HEM15 w/ iPolar (H152A)

H152A

Introducing the HEM15, the latest addition to iOptron’s revolutionary hybrid strain wave drive mounts. This light weight tiny titans will deliver an astronomy experience like never before. Now with iPolar.
  • Advanced strain wave gear technology
  • Payload capacity of 18 lbs (~8.2 kg) with the mount weight of 5.5 lbs (2.5 kg)
  • CNC machined
  • Unique friction brake to safely stop movement during a planned or unplanned power interruption
  • 360 second gear period
  • Go2Nova® hand controller with ~212,000 object database
  • iPolar electronic polar scope for easy and accurate polar alignment
  • No moving, no wrapping cable system
  • Vixen dovetail saddle
  • 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
  • Optional counterweight shaft (#P-SGP-CWS) and counterweight (#3006-05)
  • Optional external iGuider for autoguiding (#3360-HEM)
  • Two year warranty
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$2,019.95 CAD

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Special Order
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Full Details Specifications Reviews and Questions

Product Description

Introducing the HEM15, the latest addition to iOptron’s revolutionary hybrid strain wave drive mounts. This light weight tiny titans will deliver an astronomy experience like never before. With a mount head weighing 5.5lbs, it can carry an 18 lbs payload without needing a counterweight. Applying iOptron’s multi-decade experience creating precision mounts, the HEM15 brings this vision to reality.

Utilizing state of the art strain wave drive technology for the RA movement in tandem with backlash-free DEC worm/belt drive design, the HEM15 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 HEM15 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.

Specifications

Mount Hybrid Equatorial Mount
RA gear system StrainWave 14
DEC gear system Backlash-free worm/belt system
RA reduction ratio 360
Payload w/o CW * 18 lbs (8.17 kg)
Payload with CW 26.5 lbs (12 kg)
Payload/Mount weight 5.5 lbs (2.5kg) with dovetail saddle
Period 360 second
Drive motor Stepper motor
Structure material All metal, CNC machined
Exterior finish Anodized black
PEC Yes, Permanent 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), 0.8A(GOTO)
Power requirement DC12V-5A (5.5/2.5mm DC plug)
AC adapter 100V ~ 240V (included, indoor use only)
Cable No moving/wrapping
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
Dovetail Saddle Vixen
Tripod 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.

Customer Reviews

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M
M.G.
HEM15 Nice Compact Mount

I've used the HEM15 a few times now and overall it has performed well. I have my GT81 IV, ASI294MC Pro, with a ZWO OAG and QHY5III678m as the guide camera, a ZWO EAF, ZWO EFW (5x2) and a mini pc mounted on top running N.I.N.A. The equipment weight is below the 7kg payload capacity and it has been working well with guiding usually just at or slightly above 1 arc second. I have another harmonic drive mount and I noticed that if I throw a counter weight on it the guiding improves very slightly by 0.2 or 0.3 arc sec. I tried the same with HEM15 and I had the same result guiding improved slightly. Things I like: the mount is very compact and light, slewing is almost silent, it also comes in a nice case. Things that could be improved: it could use a usb port on the mount instead of having to plug into the handset, a better saddle and a more well thought out tightening **** (it has to be positioned to the up position or it will get damaged during slewing if left in the down position). Things that are nice to have but not essential: the iPolar, it's nice and does the job but it's another cable and piece of software. Sharpcap or N.I.N.A's three point polar alignment work well. Overall however iOptron have done a nice job with this mount the hybrid approach works well. I'm giving it four stars as I think there are a couple of things that could be improved, but if I were travelling I would happily take this little beast along.

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