PrimaLuceLab ESATTO 4″ Robotic Microfocuser

The PrimaLuceLab ESATTO 4″ Robotic Microfocuser is the largest of the company‚Äôs ESATTO robotic microfocusers offering 102mm free aperture and a high 10kg payload capacity. It is perfect for large professional telescopes found in observatories or for astrographs offering a large corrected image circle that require the use of focusers with large free aperture such as the Takahashi FSQ-106.

PrimaLuceLab ESATTO Compared to the smaller ESATTO models, the PrimaLuceLab ESATTO 4″ Robotic Microfocuser offers a larger free aperture of 102mm, a longer draw tube travel of 35mm and a higher payload capacity of 10 kg. While it is a supersized model it carries with it the technical features of all the ESATTO focusers including a resolution of 0.04 microns per step, USB-C port for computer control, Wi-Fi connection with included Virtual HandPad and ARCO rotator port.

Highlights of the PrimaLuceLab ESATTO 4″ Robotic Microfocuser include:

– Crayford style focuser with 40 ball bearings, specially designed for high load capacity (up to 10 kgs) with no flexure

– Low profile design with only 65mm thickness (91mm with internal flange).

– 15mm focuser travel with a resolution of 0.04 microns per step.

– Remotely controlled from the PrimaLuceLab EAGLE or any Windows computer, with dedicated control software or ASCOM drivers.

– USB-C connector offering greater reliability and can be connected to any USB type port thanks to the included cable.

– Remote control with Wi-Fi from any smartphone, tablet or computer and ESATTO Virtual HandPad app also for visual use.

– ARCO port to easily connect the ARCO rotator to the ESATTO without the need for additional data or power cables.

– Weight: 2050 gr.(4.5 lbs.)

You can learn more at the PrimaLuceLab website.

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