More products from the brand :Primalucelab

Rotator 2″ ARCO

CHF 689

Order No. ROTA-0002

Disponible en stock chez le fournisseur

Free delivery
Easy, free returns

ARCO 2" Field Rotator and Derotator from PrimaLuceLab

PrimaLuceLab's ARCO 2" is a low-profile, motorized field rotator and derotator designed for exceptional precision and seamless integration with ESATTO and SESTO SENSO 2 systems. With its impressive resolution of 1 arcsecond per step, it enables precise framing of celestial objects or compensation for field rotation on alt-azimuth mounts. Here's a detailed description of its features, mechanical interfaces and functionalities.

Advanced technical features

  • Incredible precision: Resolution of 1 arcsecond per step, ideal for ultra-fine framing adjustments or for derotation in long exposure astrophotography.
  • Ultra-thin profile: Thickness of just 20 mm, enabling compact integration in configurations where space is limited.
  • Optimized free opening : Internal diameter of 50.9 mm, designed to prevent vignetting even with large-format sensors.
  • Heavy-duty payload : Designed to swivel heavy cameras and accessories without bending, guaranteeing perfect mechanical stability.

Mechanical interfaces

Input interface (telescope side) :

  • Standard M56x1 female thread for direct connection to ESATTO 2", 3" or 4" eyepiece holders via dedicated adapters:
    • Adapter PL3600412 for 2" ESATTO
    • Adapter PL3600416 for 3" ESATTO
    • Adapter PL3600423 for 4" ESATTO
  • Also compatible with SESTO SENSO 2 thanks to optional adapters, such as PL3600413 (2" thread) or PL3600424 (M48x0.75 thread).

Output interface (accessory side) :

  • Standard M56x1 male thread compatible with optional M56 adapters. These adapters allow direct connection of various accessories such as :
    • DSLR/mirrorless cameras
    • CCD/CMOS cooled cameras
    • Optical correctors or reducers
    • A locking ring can be added to lock the camera at a precise angle, facilitating optimal framing.

Advanced features

  • Field derotation : In alt-azimuth mode, ARCO compensates for field rotation, enabling long exposures without the need for an equatorial mount.
  • Remote control : Connected to an ESATTO or SESTO SENSO 2 via the short cable supplied, ARCO can be controlled from :
    • PLAY software on Windows PC
    • An EAGLE system
    • A smartphone or tablet via WiFi
  • Robust stepper motor : Equipped with a high-precision motor with resistant gears and low mechanical backlash, guaranteeing stable, repeatable positioning.

In the Box

  • ARCO 2" rotator
  • A short cable for direct connection to ESATTO or SESTO SENSO 2
  • Detailed user manual

Specific adapters (telescope or camera) are available separately to suit your needs.

Distinctive features

  • Micrometric resolution (1 arcsecond per step).
  • Ultra-thin profile (20 mm) with 50.9 mm clear opening.
  • Universal mechanical interfaces (M56x1 threads).
  • Native integration with ESATTO and SESTO SENSO 2 via a single cable.
  • Advanced derotation functionality for alt-azimuth frames.

Conclusion

The ARCO 2" is an indispensable tool for astrophotographers seeking precise framing control and maximum flexibility in their projects. Compact, robust and incredibly precise, it fits perfectly into modern advanced astrophotography set-ups.

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