PrimaLuce Lab ESATTO 4" Robotic Focuser - EST4 10mm Eyepieces Each USB port can deliver

Each USB port can deliver up to 2

Focal length = 714mm

All the inner of the Askar 71F's dew shield is covered with matting paint to effectively reduce stray light reflections

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

PrimaLuce Lab ESATTO 4" Robotic Focuser - EST4 10mm Eyepieces Each USB port can deliverThe 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