Manufacturers & Suppliers of Astronomical Telescopes in India Serving Amateur Astronomers Since 1976

Goto Mounts / Tripods
iOptron HEM27 with iPolar Goto Mount
Astronomical GO-TO Mount
₹ 174000 + 18% GST

HEM27 Description
Introducing the HEM27 and the HEM27EC, iOptron’s revolutionary hybrid strain wave drive mounts. These light weight, high payload tiny titans will deliver an astronomy experience like never before. Imagine a mount head weighing in at 8.15lbs with a payload capability 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.

Utilizing state of the art strain wave 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).

A HEM27 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.

The HEM27EC features a high precision RA axis encoder that delivers incredible tracking accuracy, enough that many will choose to image “sans” guiding.

Learn more about a HEM27 mount

HEM27 mounts with low latitude range (0~22 degree) are suitable for Central and South India.

 
Features
Advanced strain wave drive technology
Payload capacity of 13.5 kg (29.7 lbs) with the mount weight of 3.7 kg (8.15 lbs)
CNC machined
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
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
 
Carbon Fibre Tripod - [ Buy Separately ]
The iOptron carbon fiber tripod provide a lightweight yet strong support for iOptron mounts. It fits these iOptron mounts (may need extra mounting accessories):
HEM27
CEM40
GEM45(may limit low latitude application)
CEM26
GEM28
SkyHunter
SkyGuider Pro
iEQ30/iEQ30 Pro (may limit low latitude application)
Camera with 3/8 mounting hole
Other equipment with 3/8 mounting hole

HEM27 TELESCOPE SPECIFICATION
Mount Hybrid Equatorial Mount
RA gear system StrainWave 17
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
8.15lbs (3.7kg) with dovetail saddle
Payload/Mount weight 3.65
Maximum payload with CW * 44 lbs (20kg)
Period 360 second
Drive motor Stepper motor
Structure Material All metal, CNC machined
Exterior finish Anodized black
PEC Yes, Permanent PEC
Latitude adjustment range 0º ~ 22º
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 requiremention 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
Counterweight Shaft SS Φ20X200mm, M16 thread (Optional)
Counterweight 10 lbs (4.5kg)(Optional)
Operation temperature -20ºC ~ 40ºC (hand controller -10ºC ~ 40ºC)
Carbon Fibre Tripod SPECIFICATION
Max Payload 50 kg (110 lbs)
Self Weight 2.29 kg (5 lbs)
Plate Diameter 120mm (~4.7")
Adjustable Height 535 - 935 mm (21"- 36.8")
Tube Size Ø40mm (upper)/Ø36mm (lower) (Ø1.6"/Ø1.4")
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