ESATTO 3 robotic focuser (PrimaLuceLab, SKU: PLLEST3-B) PrimaLuceLab opinie

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ESATTO 3" robotic focuser (PrimaLuceLab, SKU: PLLEST3-B ) is a precise, fully remote-controlled focuser designed for advanced astrophotography setups. The 3" model combines 76.3 mm of free aperture, 25 mm of working travel and a payload capacity of up to 8 kg with a body thickness of 67 mm . The Crayford mechanism supported by 28 ball bearings ensures zero backlash and repeatable settings, while the resolution of 0.04 µm/step enables perfect focusing even with large pixel cameras.

Key Features of ESATTO 3"

• 76.3 mm free aperture – no vignetting for full-frame sensors
• working travel range of 25 mm with a resolution of 0.04 µm/step
• axial load capacity of 8 kg – no deflection with heavy filter wheels and correctors
• 67mm low-profile housing – suitable for short back-focus astro-graphs
• USB-C interface and built-in Wi-Fi (Virtual HandPad) – full remote control via PLAY, ASCOM and INDI
• dedicated ARCO port – power supply and control of ARCO 2″ and 3″ rotators without additional cables
• status LEDs with the option to dim – work without disturbing visual adaptation
• M6 threads of the PLUS system in the body – easy mounting of clamps and PrimaLuceLab accessories

Set components

• ESATTO 3″ lift
• USB-C ↔ USB-A cable (150 cm)
• 12 V DC / 5 A power supply (5.5 × 2.5 mm plug)
• a set of mounting screws and Allen keys
• user manual

Technical parameters

• free aperture: 76.3 mm
• working travel: 25 mm
• resolution: 0.04 µm/step
• body thickness: 67 mm
• axial load capacity: 8 kg
• mechanism: Crayford + steel strip, 28 bearings
• interfaces: USB-C, Wi-Fi 2.4 GHz, ARCO port
• power supply: 12 V DC / 0.5 A (5.5 × 2.5 mm plug, plus in the middle)
• weight: 1.35 kg
• operating temperature range: −25 °C … +40 °C
• manufacturer: PrimaLuceLab – Italy

With its large aperture, high load capacity and submicron precision , the ESATTO 3″ is the ideal solution for telescope owners requiring short back-focus and reliable, automated focusing in observatories and mobile astrophotography setups.