iOptron Electronic Automatic Focuser - iEAF
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iOptron Electronic Automatic Focuser - iEAFiOptron Electronic Automatic Focuser - iEAFiOptron Electronic Automatic Focuser - iEAF
iOptron Electronic Automatic Focuser - iEAFiOptron Electronic Automatic Focuser - iEAF

iOptron Electronic Automatic Focuser - iEAF

£169.00
  (4 Reviews)
✓ 2 year warranty

:  

Out of stock due 15-20 working days
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About this product

Model:  iop_ieaf
Part Number:  8453

iOptron Electronic Automatic Focuser - iEAF

This iOptron Electronic Automatic Focuser (iEAF) fits most Crayford and Rack & Pinion focusers. 

Built around a powerful, whisper-quiet stepper motor with zero backlash. 

It is also ASCOM compatible, works with most planetarium and imaging software, and can adjust focus position manually using the integral push buttons. 

Powered via a 5V USB port. 

Installation Manual

ASCOM Driver

iEAF FEATURES

  • Whisper quiet operation
  • Powerful stepper motor
  • Zero backlash
  • Built-In temperature sensor
  • USB connection to a computer
  • ASCOM compatible
  • Manual adjustment via integral push buttons
  • Position memorising during power-off
  • Compatible with most focusers via the supplied mounting bracket/adapter

Specifications

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 2 Years

Customer reviews

Average Rating (4 Reviews):  
Write a Review and share your opinions!
Rating (max 5):  
Build Quality
08 February 2025  | 

Hi from Down-Under great build quality for the price, manual shift buttons are a nice touch, no cord or plastic remote.

Rating (max 5):  
Brilliant
21 November 2024  | 

A very well priced EAF, especially considering the built in temperature control.
The focuser does exactly what it’s meant to do effectively.

My only complaint (at ioptron, not FLO) is the positioning of the usb-c port. It’s on the outer edge so a cable is hanging even further out. I got around my OCD by using a right angled cable, so I could snugly fit the cable cord around and into my mini PC

Rating (max 5):  
Solidly built inexpensive focuser
08 September 2024  | 

I bought this from FLO on the off chance it would fit a 120 Esprit. The supplied bracket wasn't quite wide enough however so I put it on my zenithstar 61ii instead, using the Zwo focuser on that was on the zenithstar with an additional purchase of an adapter to fit the 120. I really like the manual focus buttons on the housing, and the whole thing is built very sturdily. The driver for the focuser isn't with the download and support files on the ioptron website, instead you need to view the product page for the focuser and download from there

Rating (max 5):  
Ioptron electronic focuser from FLO
29 September 2023  | 

Absolutely excellent service and a great product easy to fit and worked instantly.

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