ZWO Electronic Auto Focuser with Bluetooth

Take full control of your telescope’s focus with the ZWO EAF Pro, the ultimate upgrade in electronic autofocusing for serious astrophotographers. Building on the success of the original EAF, the Pro version introduces intuitive physical focus buttons, integrated Bluetooth 5.0 for wireless control, and a built-in rechargeable battery for complete cable-free operation in the field.

Compatible with ASIAIR, ASCOM, INDI, and major imaging platforms like NINA and SharpCap, the EAF Pro ensures pinpoint focus for both deep-sky and planetary imaging—even after meridian flips or filter changes. The compact stepper motor delivers sub-micron precision and supports payloads up to 5kg, making it ideal for heavy imaging setups with filter wheels, rotators, and cooled cameras.

Whether you’re imaging in your backyard observatory or under remote dark skies, the ZWO EAF Pro brings advanced automation and accuracy to every session—no hand controller or tangled cables needed.

What’s Included

• ZWO EAF Pro unit
• USB-C cable
• Mounting bracket and screws
• Couplers (4mm and 5mm shaft support)
• Hex wrench
• Quick-start guide

Specifications

• Payload Capacity: 5 kg
• Motor Type: Stepper motor
• Step Angle: 7.5°
• Gear Ratio: 1:128
• Connectivity: USB-C, Bluetooth 5.0, 3.5mm port (hand controller/temp sensor)
• Battery: 2500mAh lithium, rechargeable
• Weight: Approx. 258g
• Software Compatibility: ASIAIR, ASCOM, INDI, NINA, ASIStudio, FocusMax, SharpCap, FireCapture, TheSky

The ZWO EAF Pro offers a premium, future-ready focusing solution—designed for precision, mobility, and seamless integration into modern astrophotography workflows.