Ultra Light Polarie U Star Tracker frame

Introducing Vixen Polarie U

The Vixen Polarie U is an ultra-compact motorized star tracker, specially designed for wide-field astrophotography, nightscapes and time-lapse. Weighing in at a featherweight 575 g (without batteries) and with minimalist dimensions (88.5 x 72 x 110.5 mm), its lens-like shape makes it an ideal travel companion.

Key features

• Versatile tracking modes :
  • Star-Scape (1/2 sidereal speed) for blur-free merging of terrestrial landscapes and starry skies.
  • Sidereal speed for long exposures of the Milky Way or nebulae.
  • Solar/lunar tracking adapted to eclipses.
  • Customized mode via smartphone app (speed and interval settings).
  • Connected control: Wi-Fi control via app (iOS/Android), time-lapse management, intervalometer and ST-4 port for external autoguiding (RA only).
• Scalable load capacity :
  • 2.5 kg standard (wide-angle lenses).
  • 6.5 kg with accessories (multi-purpose mounting block + DD rail).
  • 10 kg in horizontal time-lapse mode (heavy equipment).
• Flexible power supply :
  • 4 AA batteries (7h at 20°C) or USB Type-C (power bank compatible).
• Integrated elements :
  • Spirit level
  • Directional scale (time-lapses)
  • Sighting tube for approximate polar alignment (northern hemisphere)
  • Shutter release (2.5 mm) and USB-C ports
• Robustness :
  • Aluminium alloy gears (RA 40 mm axis)
  • Brass worm screw (9.8 mm)
  • Reinforced bearings for enhanced durability

Optional accessories

• POLARIE Multi Mounting Block : Increases load capacity to 6.5 kg, suitable for telephoto lenses or small telescopes.
• Dovetail Slide Bar DD : Combined with the multi-purpose block, it balances heavy loads and facilitates adjustments.
• PF-L II polar viewfinder : Allows precise polar alignment for long focal lengths, requiring the Polar Scope Arm Bracket.
• Quick Release Clamp : Arca Swiss-compatible for quick attachment to standard rails.
• DX Polar Fine-Tuning Unit : Micrometric azimuth (-30° to +90°) and altitude adjustments for optimum framing.
• External battery (recommended) : Extended USB-C power supply via power bank (e.g. PowerTank), ideal for long nights.

Highlights

• Versatility (astro, time-lapse, eclipses)
• Extreme portability and intuitive smartphone control
• Optional accessories for upgrading from leisure to semi-professional use

Conclusion

The Vixen Polarie U is an ultra-compact and versatile star tracker, ideal for wide-field astrophotography, nightscapes and time-lapse. Its portability, multiple tracking modes and accessory options make it an evolutionary tool for enthusiasts seeking flexibility and performance, whether on the move or in a fixed installation.