iOptron iAFS3 3" Inline Automatic Focuser (FA30)

iOptron iAFS3 3" Inline Automatic Focuser

Description

iOptron’s iAFS3 ensures zero-shift performance. The patented lead screw locks focus as soon as motion stops, ensuring stability under changing angles or payloads. Control options : USB connection with ASCOM and INDI drivers, onboard directional buttons, or an unpowered manual knob. The full-metal housing resists fingerprints, offers 0.4 µm resolution, and includes mechanical travel limiters. A 2" visual back is supplied, and OTA adapters are sold separately.

Features

• High-precision stepper motor with over-run protection
• Built-in temperature sensor
• Built-in camera angle adjustment
• Quiet and smooth operation, zero backlash
• Compact, lightweight metal body
• Dual USB-C ports for control and firmware
• ASCOM and INDI compatible
• Low power via USB 2.0 Type-C
• Manual focus with or without power
• Position memory after shutdown
• Compatible with most OTAs with adapter

Additional Info

Package includes
• 1 × iAFS3 3" focuser
• 1 × 2" visual back (P-FA30-VB)
• 2 × USB 2.0 Type-C cables

Technical Specifications
• Type : inline automatic focuser iAFS3
• Size : 3"
• Dimensions : 94 × 133 × 108 mm
• Weight : 1062 g
• Clear aperture : 68 mm
• Max payload : 6 kg
• Drawtube travel : 30 mm
• Focusing resolution : 0.4 µm
• Ports : 2 × USB 2.0 Type-C
• Drive : stepper motor
• Computer control : yes, ASCOM and INDI
• Autofocus : yes
• Manual buttons : yes
• Manual focusing : yes, powered or unpowered
• Temperature sensor : yes
• Camera angle adjustment : yes
• Warranty : 1 year