ZWO EAF (Electronic Auto Focuser)

SKU: ZWO EAF-5V Categories: , ,

The 5Volt Electronic Auto Focuser enables precise, dynamic focus control for planetary and deep-sky imaging, while only connected to a 5V USB-port.

Key features:

  • Automatic focusing for DSO imaging
  • Optional hand controller and manual focusing
  • Functions with original ZWO software such as ASIAIR and ASIStudio
  • Support for ASCOM platform and various ASCOM-compatible third-party software
  • Allows installation across Refractors, Newtonians, Cassegrain and many other telescope designs


$329.00 inc GST

Available Now

Customer's Also Viewed

The EAF is a high quality Electronic Automatic Focuser (EAF) designed to suit a wide range of Optical Tube Assemblies (OTA). It is supplied with a versatile mounting bracket system suitable for flexible installation across a wide range of telescope focuser systems.

You can directly connect your EAF 5V to your camera, laptop or ASIAIR PRO via the USB 2.0 port and use a cable for both data transmission and power supply! This makes the cable management much easier, as well as reducing the need for additional power outlets.




Size: 59mm x 52mm x 41mm
Construction Material: All metal, red anodised finish
Motor type: Step motor, 35mm diameter, 7.5° step angle (5760 steps)
Reduction ratio: 120
Power/Data port: USB2.0 port, Type-B
Weight: 277g
Capacity: 5kg
Sensor / Hand controller interface: 3.5mm audio plug, center positive