iOptron HEM27-EC Hybrid Harmonic Drive Equatorial GoTo Mount with iPolar & Encoders

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iOptron HEM27-EC Hybrid Harmonic Drive Equatorial GoTo Mount with iPolar & Encoders

£3,019.00✓ 2 year warranty

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About this product

Model: iop_hem27ec_ipolar
Part Number: H274A

Incoming - New Hybrid Harmonic Drive Mount from iOptron

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 3.7kg / 8.15lbs with a payload capability 13.5kg / 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.

Utilising 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 anodised 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

Go2Nova Hand Controller 8409

212,000 object database & star identification
Large LCD screen with 4 lines and 21-character with backlit LED buttons
User friendly interface
9-speed setting for motor slew speed
Serial port for firmware upgrade and mount computer control

What's in the box

Telescope mount
Hand controller (HC) – Go2Nova® 8409
Controller cable
AC adapter – 100‐240V
Soft carry case

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	Anodised 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 requirements	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