Experience precise and automated focusing control for your astrophotography setup with the PrimaLuce Lab ESATTO 3" robotic focuser. This cutting-edge focuser brings unparalleled accuracy and convenience to your imaging sessions, allowing you to capture stunningly detailed celestial images with ease.

Designed specifically for telescopes with a 3" connection, the ESATTO 3" robotic focuser ensures a secure and stable attachment, minimizing flexure and providing smooth and precise focusing adjustments. Its advanced stepper motor technology offers high-resolution control, allowing you to achieve pinpoint focus and capture intricate details in your astrophotos.

With its intelligent design and compatibility with popular astrophotography software, the ESATTO 3" robotic focuser seamlessly integrates into your existing setup, enabling effortless automation and remote control. Its durable construction and reliable performance make it a trusted companion for astrophotographers, ensuring consistent and repeatable focusing accuracy.

Upgrade your astrophotography capabilities with the PrimaLuce Lab ESATTO 3" robotic focuser. Embrace the convenience of automated focusing, saving you time and effort in the field. Take your astrophotography to the next level with this exceptional robotic focuser, designed to enhance your imaging workflow and deliver breathtaking results.

ESATTO 3" is the robotic focuser perfect for many telescopes like large refractors, Ritchey-Chretiens o Cassegrains! ESATTO is specifically designed for astrophotography but, thanks to specific technologies developed by PrimaLuceLab, it also has the Virtual HandPad with WiFi control from smartphone or tablet. Forget about external controllers and cumbersome hand pads - ESATTO is the ALL-IN-ONE focuser that has all the features you’ve dreamed of in a compact, sturdy focuser design.

Large diameter for more free aperture and weight load capacity

Compared to the 2" model, ESATTO 3" offers a greater free aperture (76mm against 51mm of ESATTO 2") so it is perfect for astrophotography with telescopes such as large apochromatic refractors, Ritchey-Chretien or Cassegrain and heavy cameras with accessories like off-axis guiders, filter wheels and adaptive optics. The large free aperture also allows the use of special focal reducers or correctors. A special design with 28 bearings allows to increase the load capacity to 8 kg.

Specifications

- Crayford style focuser with 28 ball bearings, specially designed for very high load capacity (up to 8 kgs) with no flexure.
- Low profile design with only 58mm thickness (77mm with internal flange).
- 25mm focuser travel with an incredible resolution of 0.04 microns per step!
- Special adapters to easily connect to many different telescopes.
- Remotely controlled from EAGLE or any Windows computer, it's also provided with ASCOM driver.
- USB-C connector offering greater reliability and can be connected to any USB type port thanks to the included cable.
- It works also with PLAY astrophotography software, much more than a standalone program.
- Remote control with WiFi from any smartphone, tablet or computer and Virtual HandPad app also for visual use!
- Many camera threaded adapters with stop ring on the camera side to rotate and keep the camera in the optical axis.
- ARCO port to easily connect the ARCO camera rotator and field de-rotator to the ESATTO without the need for additional USB or 12V power cables.
- Weight: 1345 gr.

Downloads

PrimaLuceLab software download page

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PrimaLuce Lab ESATTO 3” robotic focuser

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