The SESTO SENSO 3 LS is a high-precision robotic focusing motor engineered for astrophotographers using telephoto photographic lenses. Building on previous generations, this model introduces advanced features for seamless, automated, and manual focusing control.
Main Features
- Compact, all-in-one chassis designed for telephoto photographic lenses, including Canon and Nikon models
- Integrated high-resolution encoder for accurate position tracking and manual focus adjustments without losing reference
- Lens Gear Clamp (LGC) system provides backlash-free, gear-driven coupling for precise focusing—no external belts required
- High-resolution motor with up to 2 million steps for ultra-fine focus control
- USB-C and WiFi connectivity for flexible control via computer, smartphone, or tablet
- Compatible with PLAY software and ASCOM drivers for integration with popular astronomy software
- ARCO rotator port for direct connection to an optional ARCO camera rotator
- Dimmable LED status lights with DARK mode for unobtrusive operation during imaging
- Temperature sensor port for automatic focus compensation (sensor optional)
Installation and Compatibility
The SESTO SENSO 3 LS mounts directly to telephoto lenses with manual focus rings, using the included Lens Gear Clamp and interchangeable rubber gears for different ring sizes. The Arca-Swiss® style mount allows secure attachment to a PLUS Vixen-style dovetail bar. Manual focusing remains possible at any time, with the encoder maintaining position tracking.
Connectivity and Control
- USB-C port for direct computer connection
- WiFi for wireless control via Virtual HandPad
- ARCO port for camera rotator integration
- 12V power input (cable included)
Designed for Astrophotographers
With its compact, lightweight design and advanced automation features, the SESTO SENSO 3 LS is ideal for astrophotographers seeking reliable, precise, and flexible focusing with telephoto lenses.
