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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