ZWO EAF 5V - Electronic Automatic Focuser for Astrophotography


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Introducing the ZWO EAF 5V, an electronic automatic focuser designed for planetary and deep-sky imaging. With its highly integrated design, the EAF 5V enables precise and dynamic focus control while connected to your camera, laptop, or ASIAIR PRO via the USB 2.0 port and cable, providing both data transmission and power supply.


  • Supports ASCOM platform and various ASCOM-compatible third-party software, INDI, ASIAIR, and ASIStudio
  • Enables automatic focusing for DSO imaging
  • Supports handle controller and manual focusing, as well as a temperature sensor for added precision
  • USB HID device and driver-free, providing easy plug-and-play operation
  • Innovative decorative pattern inspired by the changes of Airy disk during focusing and the focusing curve, making it clear at a glance how this focuser works
  • Compatible with a variety of telescopes, including SkyWatcher Astrophotography Reflectors, SkyWatcher Black Diamond, SkyWatcher Dobsonians, SkyWatcher Maksutov-Newtonians, SharpStar telescopes, SkyRover telescopes, TS Optics, Astro Tech, and Feather Touch

The EAF 5V is compact and lightweight, with a size of 59mm x 52mm x 41mm and a weight of only 277g, yet it has a capacity of up to 5kg. Its step motor has a 35mm diameter and a 7.5° step angle, with a reduction ratio of 120 for added precision.

In the box, you'll find the ZWO EAF 5V, a USB2.0 port Type-B cable, a hand controller, and a connecting diagram. The hand controller features IN and OUT buttons, a 2-line display, and slow and fast speed rate control for easy and comfortable focusing.

Upgrade your astrophotography game with the ZWO EAF 5V, the must-have option for any EAF user!

Whats in the box?

ZWO EAF 5V - Electronic Automatic Focuser for Astrophotography