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ZWO EAF Pro

ZWO EAF Pro

ZWO EAF Pro

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$299.00
$299.00
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Product description

Precision Focusing at Your Fingertips

ZWO EAF and EAF Pro electronic focusers showing sleek metal design

The new generation of ZWO EAF continues the brand's signature minimalist design, featuring a robust metal housing and precise angular lines — a perfect fusion of form and function. Available in two versions:

EAF Pro

Includes built-in battery, Bluetooth connectivity, and manual focus buttons for maximum flexibility.

Unique Advantages of the EAF Pro

  • Upgraded Universal Type-C Interface
  • Micron-Level Precision Focusing
  • 5 kg (11.02lbs) High Load Capacity
  • Built-in Focus Adjustment Knob
  • Bluetooth Connectivity
  • Built-in Battery Power Supply
EAF Pro front view showing controlsEAF Pro side view showing ports

Technical Specifications

Micron-level Positioning Accuracy

The ZWO EAF integrates a high-precision custom stepper motor with 1:128 reduction ratio for micron-level positioning accuracy.

Diagram showing motor precision mechanism

5kg (11.02lbs) High Load Capacity

Rigorously tested to support heavy equipment while maintaining stable operation.

Load capacity testing setup

Universal Type-C Interface

Upgraded from Type-B to Type-C for simplified cable management and reduced power load.


EAF Pro Exclusive Features

Wireless Bluetooth Control

Built-in Bluetooth 5.0 enables wireless connectivity with ASIAIR and smart cameras.

Bluetooth connectivity diagram

Compatibility Note: Works with ASIAIR Plus (RK version) and ASIAIR cameras. Not compatible with 1st gen ASIAIR, ASIAIR Pro, ASIAIR Mini, or ASIAIR Plus (CM4 version).

Compatibility chart

Built-in Lithium Battery

Enables truly wireless operation with one-week endurance under standard conditions.

Battery compartment viewBattery life testing results

Integrated Focusing Button

Allows quick adjustments even after installation for enhanced usability.

Focus control buttons close-up

Installation Guide

  1. Remove the coarse adjustment knob from your telescope focuser

    Step 1: Removing focus knob

  2. Install the coupling on the focuser shaft and tighten the locking screw

    Step 2: Attaching coupling

  3. Secure the EAF body to the bracket and focuser assembly

    Step 3: Mounting EAF body

  4. Check all connections are secure

    Step 4: Final connection check

What's in the box？

Package contents laid out

Optional Accessories

 

EAF-Sensor Temperature Probe

Specifically designed for the ZWO Electronic Automatic Focuser (EAF), this temperature probe accurately monitors subtle changes in ambient temperature. By providing real-time temperature data, it works in tandem with the focuser to ensure your telescope maintains optimal focus under varying thermal conditions.

Connector Diameter: 3.5mm
Cable Length: 100cm


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