PrimaLuce Lab ARCO3 - ARCO 3" Robotic Camera Rotator & Field De-Rotator - ARCO3 36mm filters True neutral density filter provides

True neutral density filter provides accurate image

High Res Stepper Motor:  The FocusCube Zero has a meticulously designed motor system that keeps backlash at minimal values

49") Optical Tube Weight 8

Image software provides a powerful tool for imaging measurement and processing

PrimaLuce Lab ARCO3 - ARCO 3" Robotic Camera Rotator & Field De-Rotator - ARCO3 36mm filters True neutral density filter providesThe PrimaLuceLab ARCO 3" is the larger version of their ARC second 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. 3mm. When used together with an equatorially mounted telescope, ARCO allows you to rotate the camera without the need to touch the telescope. When used with an alt az