iOptron GEM28-EC German Equatorial GoTo Mount with Encoders
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iOptron GEM28-EC German Equatorial GoTo Mount with Encoders

£1,698.00✓ 2 year warranty
  

:  

Out of stock due 30-40 working days

About this product

Model:  iop_gem28ec_tp_hc
Part Number:  G284A1

(Photo shows non-EC model. We will make new photo when stock arrives)

NEW compact German Equatorial Mount (GEM) with Hi-Res encoders on the RA axis

Weighs only 10 lb yet supports up to 28 lb payload!

IOptron achieved this high weight to payload ratio using design and manufacturing methods developed to reduce mass from their similarly specified CEM mounts. So if you have admired the iOptron CEM series but prefer the more traditional GEM design, or need a mount that works at higher (over 60º) latitudes, then the iOptron GEM28 is for you. 

Features include precise whisper quiet stepper motors, hi-res encoders on the RA axis (periodic error < ± 0.3 arc seconds RMS), Real Time Period Error Correction (RTPEC), large easy to use quick-lock gear clutches, built-in WiFi for easy connectivity and iPolar electronic polar finder. 

The GEM28 is also equipped with the latest advanced Go2Nova® 8409 with 212,000 object database & star identification. The Go2Nova® Hand Controller is intuitive to use and its large 4-line LCD screen simplifies the process of setting telescopes and locating objects.

FEATURES

  • Compact German Equatorial Mount
  • Payload of 28 lbs (12.7 kg) with the mount-only weight of 10 lbs (4.5 kg)
  • Precise stepper motors with low power consumption
  • Hi-res encoders on the RA axis (periodic error < ± 0.3 arc seconds RMS)
  • Real Time Period Error Correction (RTPEC)
  • Large easy to use quick-lock gear clutches on R.A. and DEC axes
  • Adjustable counterweight shaft for 0º latitude operation
  • iPolar electronic polar finder (visual polarscope also available)
  • Go2Nova® 8409 with 212,000 object database & star identification
  • Integrated WiFi for full function control via SmartPhone/Tablet/Computer
  • ST-4 autoguiding port
  • USB port
  • Built-in 32-channel Global Positioning System (GPS)
  • Serial port for firmware upgrade and computer control
  • Spring loaded Vixen-style saddle
  • Available with 1.5 inch stainless steel tripod or 1.75" LiteRoc tripod
  • Die-cast metal tripod spreader with accessory tray

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

Hard Case

Includes a hard with custom-fit foam padding to hold the mount in place and cushion it from impacts. The exterior has reinforced edges on the outside to help minimise denting and damage. There are dual trigger latches to secure the lid in place, and a carry handle.

 

 

What's in the box

  • Telescope mount with iPolar
  • Hand controller (HC) – Go2Nova® 8409 
  • Tripod with accessory tray – 1.5‐inch or 1.75 inch LiteRoc 
  • Counterweight – 10.4 lbs X1 (4.7 kg) 
  • Counterweight shaft 
  • Controller cables x2 
  • RS232‐RJ9 serial cable 
  • AC adapter – 100‐240V 

Specifications

Mount German Equatorial Mount
Payload 28 lb (12.7 kg), excludes counterweight
Mount weight 10 lb (4.5kg)
Payload/Mount weight 2.8
Periodic error (PE) * < ± 0.3 arc seconds RMS
Right Ascension worm wheel Φ88mm, 144 teeth aluminum
Declination worm wheel Φ88mm, 144 teeth aluminum
Right Ascension axis shaft Φ35mm steel
Declination axis shaft Φ35mm steel
Right Ascension bearing Φ55mm ball bearing
Declination bearing Φ55mm ball bearing
Worm gears Φ15.2mm, Brass
Motor drive 1.8º stepper motor, 128x microdivision
Resolution 0.17 arc seconds
Transmission Synchronous belt
Latitude adjustment range 10º ~ 70º
Azimuth adjustment range ± 10º
GPS Optional/external
Polar Scope iPolar electronic polar finder
Level indicator Level bubble
Hand Controller Go2Nova® 8409 with 212,000 & star identification
PEC Real Time PEC
Tracking Automatic
Max slew speed 6º/Sec (1440x)
Power consumption 0.5A (tracking) 0.8A (GOTO)
Power requiremention DC 12V, 5A
AC adapter 100V ~ 240V (included)
Power-down memory Yes
Serial port Yes (on hand controller)
Autoguide port ST4
Firmware upgrade Yes
PC computer control Yes (ASCOM)
Counterweight shaft Φ20mm, Stainless Steel
Counterweight 10 lb (4.5 kg)
Tripod 1.5‐inch or 1.75 inch LiteRoc
Dovetail saddle Spring loaded Vixen-style
Operation temperature -10ºC ~ 40ºC
Warranty Two year limited

Downloads / Manuals

Manual: 

Incoming

Firmware: 

Download Latest Firmware 

iOptron Telescope ASCOM Driver:

Install ASCOM Driver and Commander 

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