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Vai al moduloZWO EAF-N – Universal Electronic Focuser with USB-C 5 V
Automate your telescope’s focus with micrometric precision and control it easily via PC or smartphone. Perfect for astrophotography and high-magnification visual observation.
Why choose the ZWO EAF-N?
- Smart autofocus support via ASCOM / INDI drivers and native integration with ZWO ASIAIR.
- Simple power supply: one USB-C 5 V cable for both data and power – ideal for mobile setups.
- Universally compatible with focusers from 4 to 7 mm (Sky-Watcher, William Optics, SharpStar, etc.).
- All-metal body and built-in stepper motor capable of handling up to 5 kg of load.
Technical Specifications
| Parameter | Value |
|---|---|
| Motor | 7.5° stepper with 1 : 128 reduction |
| Max load | 5 kg |
| Power / Data | USB-C 5 V – 0.5 A |
| Dimensions | 41 × 52 × 70.3 mm |
| Weight | 215 g |
Quick Installation
The kit includes mounting bracket, dedicated screws, and 4 flexible couplers (Ø 4 / 5 / 6 / 7 mm) for plug-and-play setup. A specific bracket for Celestron SCT tubes is available as an option.
Ideal for
- Deep-sky astrophotographers who want pinpoint stars in every frame.
- Remote observatories needing focus adjustments after temperature or filter changes.
- Visual observers who want to avoid focus vibrations and imprecision.
FAQ 1 – Which telescopes are compatible?
All focusers with a shaft diameter of 4 to 7 mm: Sky-Watcher, SharpStar, William Optics, Askar, Explore Scientific, Takahashi (with adapter), and Celestron SCT (with optional bracket).
FAQ 2 – Can I control it from my smartphone?
Yes. Connect the EAF-N to ZWO ASIAIR or a mini PC running N.I.N.A or Ekos and control it wirelessly via iOS or Android apps.
FAQ 3 – Is installation difficult?
No, it takes about 15 minutes. Attach the bracket, mount the coupler, connect the USB-C cable and you're ready – no extra power supply needed.