What is the main advantage of the ESATTO 3" over the 2" model?

The primary advantage is the 76.3mm clear aperture, compared to 51mm on the 2" model. This is critical for illuminating large camera sensors and avoiding vignetting with focal reducers on telescopes like large Ritchey-Chrétiens or apochromatic refractors.

Can I control the ESATTO 3" focuser without a computer at the telescope?

Yes. The ESATTO 3" has built-in WiFi, allowing you to connect directly from a smartphone or tablet using the Virtual HandPad app for precise remote focusing. This is ideal for visual use or for making adjustments without a dedicated PC.

How does the ESATTO 3" connect to my camera to prevent flexure?

It uses a secure M81x1 male thread on the drawtube. Optional adapters with stop rings are available to create a rigid, threaded connection to your specific camera, eliminating the sag and tilt common with standard 2" compression-ring visual backs.

What is the benefit of the ARCO port on the ESATTO 3"?

The ARCO port provides both power and data to the optional ARCO robotic rotator through a single, short cable. This means you only need one power/data line running to the focuser, which then powers the rotator, greatly simplifying cable management at the back of your telescope.

I have a 12" f/8 Ritchey-Chrétien with a full-frame camera and filter wheel. Is the ESATTO 3" strong enough?

Absolutely. The ESATTO 3" is designed for this exact scenario. Its 8 kg payload capacity and 28-bearing Crayford design can handle heavy imaging trains without flexure, and the 76.3mm aperture ensures your full-frame sensor is fully illuminated without vignetting.

Will the ESATTO 3" work with my existing ASCOM-compatible software like N.I.N.A. or SGP?

Yes. The ESATTO 3" includes a dedicated ASCOM driver, allowing it to be controlled directly from any standard astrophotography software that supports the ASCOM platform. It will integrate seamlessly into your existing automated imaging workflow.

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PrimaLuceLab ESATTO 3" Microfocus robotique

par PrimaLuceLab

UGC PLL-PLLEST3

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