PrimaLuce Lab ESATTO 4" Robotic Focuser - EST4 10mm Eyepieces Focal length = 714mm

Focal length = 714mm

SE combines the classic heritage of the original orange tube telescopes with the latest state-of-the-art features

Reverse Polarity Protection

The Baader U Filter has become the choice of UV imagers exploring the UV world of landscape

PrimaLuce Lab ESATTO 4" Robotic Focuser - EST4 10mm Eyepieces Focal length = 714mmThe PrimaLuce Lab ESATTO 4" is the large dimension robotic focuser designed for observatory class telescopes or for astrographs that need a large free aperture, like the Takahashi FSQ 106. Compared to the smaller models, ESATTO 4" offers a larger free aperture of 102. 2mm, a longer draw tube travel of 35mm and a higher payload capacity of 10 kg. As always, the ESATTO 4 comes with the incredible technical features of all the ESATTO focusers: resolution