iOptron HEM27 with High Precision Encoder 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. 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 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 Technical Specifications Mount Hybrid Equatorial Mount RA gear system StrainWave 17 DEC gear system Backlash-free worm/belt system RA reduction ratio 480:1 (SWG 120:1, Sync belt 4:1) Payload w/o CW * 29.74 lbs (13.5kg) Mount weight 7.49lbs (3.4kg) w/o dovetail saddle8.15 ls (3.7kg) with dovetail saddle Payload/Mount weight 3.65 Payload with CW * 44 lbs (20kg) Period 360 second Drive motor Stepper motor Structure Material All metal, CNC machined Exterior finish Anodized 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 requiremention DC12V-5A (5.5/2.5mm DC plug) AC adapter 100V ~ 240V (included, indoor use only) Cable No moving/wrapping Cable management 2X12V (4A max.), 1X USB2.0 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 & Losmandy Tripod Optional Counterweight shaft SS Φ20X200mm, M16 thread (Optional) Counterweight 10 lbs (4.5kg) (Optional) Operation temperature -20ºC ~ 40ºC (hand controller -10ºC ~ 40ºC) Warranty Two year limited In the Box iOptron HEM27 with High Precision Encoder iPolar Go2Nova Hand Controller Dual Saddle Carry Case Tripod Not Included Warranty & Manuals iOptron 2-Year Warranty
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