PRIMA LUCE LAB ARCO 3" ROBOTIC ROTATOR SHARPSTAR15 The two top connectors are

The two top connectors are controlled by the left knob and the two bottom connectors by the right knob

M98 male thread SKU

Special adapters to easily connect it to many different telescopes

Skywatcher 250mm f/4 & f/5 Newtonians Connection (camera side)

PRIMA LUCE LAB ARCO 3" ROBOTIC ROTATOR SHARPSTAR15 The two top connectors arePlease note: The ARCO rotators are only compatible with either the ESATTO or Sesto Senso 2 focusers from Prima Luce Lab. The Prima Luce Lab ARCO 3" is the larger version of the ARCsecond resolution rOtator that, thanks to its incredible resolution of 1 arc second per step, is the most precise camera rotator and field de rotator. The 3 version of ARCO has a thickness of only 23mm and a free aperture of 76. 2mm. When used together with an equatorially