ZWO
ZWO Electronic Automatic Focuser (2025)
ZWO Electronic Automatic Focuser (2025)
SKU:ZWO-EAFN
Low stock: 3 left
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PRODUCT DESCRIPTION
The 2025 edition of the ZWO Electronic Automatic Focuser (EAF) advances ZWO’s legacy of precision automation with upgraded internal mechanics, smoother torque delivery, and enhanced support for third-party control systems. Designed to work with a wide variety of telescope focusers, this unit is a must-have for astrophotographers seeking repeatable, temperature-compensated focus performance during deep-sky or planetary imaging sessions.
Now refined with quieter motor operation and lower power draw, the 2025 EAF ensures seamless integration with ASIAIR, ASCOM, and major image acquisition software. It remains fully compatible with ZWO’s existing brackets and includes USB 2.0 and temperature sensor support. With fast step accuracy and stability under load, this focuser is engineered to deliver critical focus—whether you’re shooting faint galaxies or high-speed planetary data in changing conditions.
TECHNICAL SPECIFICATIONS
- Model: ZWO EAF (2025 Version)
- Motor Type: High-Precision Stepper Motor
- Step Resolution: 0.135 µm/step
- Load Capacity: Up to 5 kg (11 lbs)
- Power Supply: 5V DC via USB 2.0
- Control Interface: USB 2.0 Type-B
- Autofocus Support: Yes (via ASCOM/INDI/ASIAIR)
- Temperature Sensor Port: Included
- Mounting: Universal with Available Brackets
- Noise Level: < 40 dB (Improved for 2025)
- Firmware: Upgradeable
- Dimensions: 59mm x 52mm x 41mm
- Weight: Approx. 277g (9.8 oz)
WHAT’S IN THE BOX?
- ZWO Electronic Automatic Focuser (2025 Edition)
- USB 2.0 Type-B Cable
- Temperature Sensor
- Flexible Coupler and Mounting Screws
- Universal Mounting Bracket
- Allen Key Set
- User Manual






