Adapter ESATTO 4" for ARCO 3"

The adapter screws on perfectly and the connection to the ESATTO microfocuser is rock solid, no slop at all. It makes controlling rotation through that dedicated port feel seamless during imaging sessions.

Snapped right onto my ARCO 3" and now the rotator runs through the focuser's port instead of a separate cable, which cleaned up my rig nicely. It does add a bit of thickness to the stack, but the connection feels solid with zero play.

Bought this to pair my ARCO 3" rotator with the ESATTO 4" focuser, and the connection is rock solid once mounted. The thickness it adds is minimal, and it plugs straight into the ESATTO port so everything runs through the same controller.