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Ieq75-gt, Overview – iOptron SMARTSTAR IEQ75-GTTM User Manual

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1. iEQ75-GT

TM

Overview

The iEQ75-GT™ is a one-of-a-kind premium CNC-machined astro-imaging mount from iOptron. The

iEQ75-GT™ offers the next generation GoTo technology from iOptron. With a Renishaw high resolution
encoder-enabled double closed-loop tracking, the system is able to tracking the target with a tracking error
less that ±1 arcsec. The iEQ75-GT™ has a payload of 75 lb (34 kg) and includes a calibrated dark field
illumination polar scope. Its unique base design makes it easy for just one person to carry to location.


Features:

• Premium CNC-machined astrophotography mount suited for advanced imaging
• Heavy duty German equatorial mount
• Maximum payload: 75 lb (34 kg) (excluding counterweight)
• Mount weight: 52 lb (23.6 kg)
• Angular contact ball bearings for R.A and DEC axles, as well as worm gear shafts
• Precision DC servo motor-driven and double closed-loop tracking with Renishaw high resolution

encoder feedback

• 32-bit ARM system for ultra-accurate tracking with temperature-compensated crystal oscillator

(TCXO)

• Maximum tracking error: ± 1 arc second
• Advanced

GOTONOVA

®

technology for accurate GOTO and tracking

• Built-in 32-channel Global Positioning System (GPS)
• Integrated ST-4 autoguiding port capable of reverse guiding with auto-protection
• Hand Box (HBX) port for hand controller connection
• iOptron port for electronic focuser, laser pointer, planetary dome control
• RS232 port for firmware upgrading and computer control via ASCOM platform
• Calibrated polar scope with dark-field illumination and easy polar alignment procedure, allowing for

fast and accurate polar alignment

• Heated hand controller for low temperature operation as low as -20ºC
• Comes standard with:

o

a mounting plate for Vixen or Losmandy-D saddles

o

a Vixen dovetail saddle

o

stainless steel counterweight shaft with safety lock

o

2 x 16.5 lb (7.5 kg) stainless steel counterweights

o

12V DC car plug adaptor

o

USB

cable

o

RS232

Cable

• Optional tripod or pier