ESATTO 3″

ESATTO 3" from PrimaLuceLab: High Precision Robotic Microfocuser

PrimaLuceLab's ESATTO 3" is a high-end robotic microfocuser designed to meet the needs of the most demanding astrophotographers. Its extreme precision, impressive load capacity and universal compatibility make it an essential tool for advanced astrophotography and visual observation.

Advanced technical features

• Exceptional precision: Resolution of 0.04 microns per step, guaranteeing ultra-fine focus adjustment for perfectly sharp images, even with high-resolution sensors.
• High load capacity : Supports up to 8 kg, thanks to a Crayford design with 28 ball bearings, guaranteeing perfect stability with no bending or mechanical play.
• Extended race : A 25 mm focus stroke, ideal for complex configurations requiring precise adjustments.
• Open to the public : Internal diameter of 76.2 mm, optimized for large-format sensors and wide-field telescopes.

Connectivity and control

• Robust USB-C port : Allows fast, reliable connection to any Windows computer or EAGLE system. A single cable powers and controls the focuser (minimum 1A required).
• Integrated WiFi : Remote control via Virtual HandPad application on smartphone, tablet or computer. Multiple devices can be managed simultaneously.
• Extended software compatibility : Works with PLAY software and ASCOM drivers, enabling seamless integration into automated systems.

Universal compatibility

• The ESATTO 3" is designed to fit a wide variety of instruments:
  • Compatible with telescopes such as large refractors, Ritchey-Chrétiens, Cassegrains or Newtonians.
  • M81x1 male threaded output for direct connection of DSLR/mirrorless or CCD/CMOS cooled cameras via specific adapters.
  • Wide range of adapters available for rigid, precise attachment to different telescopes.

Robustness and premium design

• Made from aircraft-grade materials to guarantee durability and lightness (total weight: 1.345 kg).
• Compact profile despite its advanced capabilities, with an inlet diameter of 104.5 mm.

Additional features

• Native integration with ARCO 3" rotator: Allows precise rotation of the camera for optimal framing, or field rotation on altazimuthal mounts.
• Optional adapters : For optimized visual or photographic use.

In the Box

• ESATTO 3" microfocuser
• Robust USB-C cable for power and control
• Detailed user manual

Specific adapters (telescope or camera) are sold separately, depending on the specific requirements of your configuration.

Distinctive features

• Micrometric accuracy (0.04 micron/step).
• Exceptional payload (8 kg).
• Compatible with large-format sensors thanks to 76.2 mm clear aperture.
• Modern control via USB-C or WiFi.
• Perfectly integrated with ARCO 3" rotator for rotation/derotation.

The ESATTO 3" is a complete solution combining robustness, precision and technological innovation. It is ideal for astrophotographers looking for perfect focus and maximum flexibility in their advanced projects.

Choose your ESATTO 3" rings

For your telescope :

• Takahashi FSQ85: Take the PL3600271 ring to connect the focuser.
• Takahashi TSA120 : Take ring PL3600296.
• Takahashi with M72 thread : Take ring PL3600245.
• RC GSO/Orion/TPO (10", 12", 14", or 16"): Take ring PL3600236.
• Borg 90FL f/3.9 or 107FL f/3.9 : Take ring PL3600268.
• SkyWatcher ESPRIT 100 ED : Take ring PL3600288.
• SkyWatcher ESPRIT 120 ED or 150 ED : Take ring PL3600253.
• Meade 16" with 4" thread: Take ring PL3600292.

For your accessories :

• Accessory with T2 thread : Take ring PL3600282 (M81 to T2 adapter with locking ring).
• Accessory with M48 thread : Take ring PL3600277 (M81 to M48 adapter with locking ring).
• Accessory with M54 thread : Take ring PL3600275 (M81 to M54 adapter with locking ring).
• Borg accessory with M57 thread : Take ring PL3600279 (M81 to M57 adapter with locking ring).
• Accessory with M68 thread (female) : Take ring PL3600282 (M81 to M68 adapter with locking ring).
• Accessory with M68 thread (male) : Take ring PL3600289.
• Takahashi accessory with M72 thread: Take ring PL3600272 (M81 to M72 adapter with locking ring).
• Accessory with M72 thread (male) : Take ring PL3600252.
• Accessory with 2-inch nosepiece : Take ring PL8410002.