What makes the ESATTO 3.5" LP ideal for an astrograph telescope?
Astrographs often have very limited backfocus. The ESATTO 3.5" LP's primary advantage is its extremely low-profile design, which allows it to fit into optical trains where a thicker focuser would not. It also offers a high payload capacity and a large clear aperture, preventing flexure and vignetting with heavy, large-sensor camera setups.
How can I control the ESATTO 3.5" LP focuser remotely?
You have multiple options for controlling the ESATTO 3.5" LP:
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USB-C: Connect it to an EAGLE computer or any Windows PC for control via ASCOM drivers or the included PLAY software.
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WiFi: Use the built-in WiFi to connect to your smartphone or tablet and control focusing with the ESATTO Virtual HandPad app.
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EAGLE Integration: When connected to an EAGLE, it becomes part of a fully integrated, remotely managed observatory system.
Will the ESATTO 3.5" LP work with my Celestron EdgeHD 1100?
Yes. PrimaLuceLab makes an optional adapter specifically for telescopes with the large 3.3" SC thread, such as the Celestron SCT (11" and 14") and EdgeHD (9.25", 1100, and 1400) models. This adapter allows you to securely mount the ESATTO 3.5" LP directly to your telescope's rear cell.
What is the benefit of connecting the ARCO rotator to the ESATTO 3.5" LP?
The ESATTO 3.5" LP features a dedicated ARCO port. This allows you to connect an ARCO rotator directly to the focuser with a single cable that provides both power and data. This creates a single, compact unit that acts as a rotating focuser, allowing you to frame your target perfectly without additional power or USB cables running to the rotator.
What software is included with the ESATTO 3.5" LP focuser?
The ESATTO 3.5" LP includes a license for PLAY, PrimaLuceLab's dedicated astrophotography software. It also comes with an ASCOM driver, ensuring it is compatible with most third-party astronomy software packages like N.I.N.A., Sequence Generator Pro (SGP), and others.
How do I attach my camera to the ESATTO 3.5" LP?
The focuser has a standard M98x1 female thread on the camera side. You will need an optional adapter to match your specific camera or accessory. PrimaLuceLab offers a wide range of adapters, such as M98 to M68, M98 to M57, and M98 to M48, many of which include a stop ring to lock the camera's rotation.