Sesto Senso 3 - Latest-generation robotic focuser

SESTO SENSO 3 - High-precision robotic focusing motor

SESTO SENSO 3 is the most advanced robotic focusing motor developed by PrimaLuceLab for type Crayford or Rack-and-Pinion. Heir to the previous generations, it now incorporates a host of improvements in a compact, all-in-one chassis, combining power, precision and ease of use.

Key features

• Compact all-in-one design - Designed for installation on Crayford and Rack-and-Pinion eyepiece holders without additional support.
• Integrated encoder - Allows precise position tracking and manual movement without loss of bearings, with automatic recovery function.
• Self Centering Clamp 2 (SCC2) system - Quick, adapter-free installation on 25 mm, 26 mm, 33 mm and 37 mm shafts.
• Ultra-fine resolution - Accuracy of 0.7 microns per step on eyepiece holders with 1:10 ratio.
• USB-C connectivity - For maximum compatibility with all modern computers.
• Integrated Wi-Fi - Wireless control via smartphone or tablet with Virtual HandPad.
• Full compatibility with PLAY software - Autofocus, temperature compensation, focus profiles and more.
• ASCOM Support - Seamless integration with N.I.N.A., SGP, MaxIm DL and other astrophotography software.
• Dedicated ARCO port - Allows direct connection of ARCO rotator without additional cable.
• DARK Mode - Adjustable or fully deactivatable LED lighting to preserve night vision.
• GHOST Mode - Can be used without a USB cable when connected to an EAGLE computer.
• Optional temperature sensor - Automatic focus compensation for temperature variations.
• Made in Italy - Signature design and mechanical precision PrimaLuceLab.

Easy installation and broad compatibility

Thanks to new technology SCC2, The SESTO SENSO 3 attaches directly to most eyepiece holders without the need for an external support. It is compatible with a wide range of instruments such as :

• SkyWatcher EVOSTAR, EVOLUX, ESPRIT, Newton and Quattro
• Takahashi FSQ-85 and FSQ-106
• Baader SteelTrack®, FeatherTouch, GSO Ritchey-Chrétien, Explore Scientific

Connectivity and advanced control

The port USB-C guarantees a fast, reliable connection, while the Integrated Wi-Fi offers wireless control via smartphone or tablet. The software PLAY provides intuitive engine control, auto-tuning, temperature management and real-time system status monitoring.

Compatibility with ARCO

Connect the ARCO rotator for motorized camera rotation or field de-rotation on alt-azimuth mount. A single cable is all you need for power and data transfer.

Technical details

Box contents

• SESTO SENSO 3
• Adapters for 25 mm, 26 mm, 33 mm axes
• 6 coloured centring rings for different eyepiece holders
• USB-C to USB-A cable
• 12 V cigarette-lighter power cable
• Hexagonal keys and quick installation guide

The SESTO SENSO 3 embodies the precision, reliability and modernity of motorized focusing for demanding astrophotography.