iOptron GEM28 Quick Start Guide

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iOptron Corp. | 6E Gill Street | Woburn, MA 01801 USA | (781) 569-0200 | Toll Free (866) 399-4587 | www.iOptron.com
Quick Start Guide
GEM28™ German Equatorial GoTo Mount
Models: GEM28 (#G28 Series) and GEM28EC (#G28ECA Series)
PACKAGE CONTENTS
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 Telescope mount – with AccuAlign
TM
dark field illuminated Polar Scope or iPolar
TM
electronics polar scope
 Hand controller (HC) – Go2Nova® 8409
 Tripod with accessory tray – 1.5-inch (optional LiteRoc
TM
)
 Counterweight – 10.4 lbs X1 (4.7 kg)
 Counterweight shaft
 Counterweight shaft extension
 Controller cables X2
 USB 2.0 cable
 Built-in WiFi
 Mini USB cable (for iPolar) or polar scope LED and cable (for AccuAlign polar scope)
 AC adapter – 100-240V
 Optional/external GPS Module (#8438)
 Optional hard case (standard for EC version)
 Optional external iGuider for autoguiding (#3360)
ONLINE RESOURCES (www.iOptron.com)
 User’s Manual
 Tips for set up and using the products
 Hand controller and mount firmware upgrades (check online for the latest version)
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Packaging may change from time to time without notice.

iOptron GEM28 Specifications

General

Payload Capacity	28 lbs (12.7 kg)
Mount Weight	10.4 lbs (4.7 kg)
RA Worm Gear Material	Brass
DEC Worm Gear Material	Brass
Tracking Rate	Sidereal, Lunar, Solar
Autoguiding Port	Yes
Communication Port	USB
Tracking Accuracy	± 5 arcsec
Weight	10.4 lbs (4.7 kg)
Mount Type	Equatorial
RA Worm Wheel	180 teeth
DEC Worm Wheel	180 teeth
Motor Drive	Stepper motor
Power Requirement	12V DC
GPS	Built-in
Polar Scope	Yes, included
Counterweight Shaft	Ø20 mm
Worm Gear Period	600 seconds