Electronic Telescope Autofocuser with USB-C Power, 5 kg Load Capacity and Micron-Level Focusing Control

Control telescope focus for astrophotography with an electronic motor focuser powered through USB-C. The EAFN combines micron-level step resolution, a 5 kg load capacity and support for compatible imaging software.

Key Features

• A stepper motor provides precise automatic focusing control.
• USB-C supplies power and communication through a single connection.
• A metal housing supports a compact telescope imaging setup.
• Interfaces support an optional temperature sensor and hand controller.
• Software compatibility includes the ZWO ASIAIR app, ASIStudio and ASCOM-compatible third-party software.
• A mounting bracket, USB cable and installation hardware are included.

Specifications

• Model: EAFN 5V
• Dimensions: 41 × 52 × 70.3 mm
• Weight: 215 g
• Load capacity: 5.0 kg
• Motor: Stepper motor; 7.5° step angle; 1:128 reduction ratio
• Step resolution: 2.812 micrometers
• Power supply: USB-C, 5V / 500mA
• Communication: USB-C
• Battery: None
• Included: EAFN body, motor bracket, 2m USB-C to USB-A cable, five spacers, four M4×8 screws, two M5×10 screws, flexible couplers, hex wrenches and quick-start guide
• Flexible couplers: 5–4, 5–5, 5–6 and 5–7 mm