Electronic Automatic Focuser - iEAF
Electronic Automatic Focuser - iEAF
Electronic Automatic Focuser - iEAF


Electronic Automatic Focuser - iEAF

Regular price
$ 199.00
Sale price
$ 199.00
Unit price

This item is out of stock but you can place an order now and we’ll ship when it becomes available.


This iOptron Electronic Automatic Focuser (iEAF) is designed for both Crayford and Rack-and-Pinion focusers. It is powered by a 5V USB port. The focuser is ASCOM compatible and will work with most planetarium and imaging software. It also can be adjusted manually by pressing a button on the focuser.


  • Whisper quiet operation
  • Powerful stepper motor
  • Zero backlash
  • Built-in temperature sensor
  • USB connection to a computer
  • ASCOM compatible
  • Manual adjustment
  • Position memorizing during power off
  • Compatible to most focuser with proper mounting bracket/adapter


Focuser Crayford or Rack-and-Pinion focuser
Driving train Stepper motor
Power/Communication USB2.0 port
Maximum payload 5 kg
Temperature Sensor Yes (Built-in)
Control ASCOM compatible or manually
Focuser speed 3 rpm
Dimensions 51 X 61 X 41mm
Weight 254g (focuser only)
Warranty One year limited

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