Your order will be shipped approximately 3 working days after placing the order.
ZWO EAF Pro Review by The Space Koala:
No Cables, No Hassle — But Does It Really Work?
Precision Focusing at Your Fingertips
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
Features a universal Type-C interface for broad compatibility and easy installation.
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
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.
5kg (11.02lbs) High Load Capacity
Rigorously tested to support heavy equipment while maintaining stable operation.
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.
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).
Built-in Lithium Battery
Enables truly wireless operation with one-week endurance under standard conditions.
Integrated Focusing Button
Allows quick adjustments even after installation for enhanced usability.
Installation Guide
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Remove the coarse adjustment knob from your telescope focuser
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Install the coupling on the focuser shaft and tighten the locking screw
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Secure the EAF body to the bracket and focuser assembly
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Check all connections are secure
What's in the box？
Optional Accessories
Available Models:
EAF-BRK-TK
EAF-C8-C925 (for Celestron C8/C9.25)
EAF-C11-C14 (for Celestron C11/C14)
EAF-HC — Hand Controller for EAF
EAF-Sensor — Temperature Sensor for EAF
EAF-HC Hand Controller
Designed exclusively for the ZWO Electronic Automatic Focuser (EAF), this handheld controller features an ergonomic design with durable ABS construction, offering a comfortable grip and secure connection.
Equipped with a two-speed control switch, it allows for precise manual focusing—from fine adjustments to rapid focus moves—with ease and accuracy.
The 1.5-meter cable provides flexible usage, and the standard 4-pin 3.5mm audio jack ensures quick and reliable connection, enhancing operational convenience.
The EAF Hand Controller is your essential companion for astrophotography focusing.
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
ZWO EAF-BRK-TK
ZWO EAF for Takahashi Telescope Bracket (TSA-120, FS-60, FSQ-85, FSQ-106)
What's in the box？
Dimensions / Mechanical Diagram
Coupler size: 4mm – 8mm
Coupler size: 5mm – 8mm
EAF-C8-C925
ZWO EAF Bracket for Celestron C8 / C9.25 SCT
Applicable to: EAF-C8-C925, EAF-C11-C14
What's in the box?
Dimensions / Mechanical Diagram
Coupler size: 5mm – 12.8mm
Coupler size: 4mm – 12.8mm
EAF-C11-C14
ZWO EAF Bracket for Celestron C11 / C14 SCT
Applicable to: EAF-C11-C14
What's in the box?
Dimensions / Mechanical Diagram
Coupler size: 5mm – 12.8mm
Coupler size: 4mm – 12.8mm
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