Device for the spherical orientation of an optical element , which device comprises a support structure , one said optical element having an optically useful surface adapted to interact with an incident light beam (L), a mechanism mounted on said support structure and capable of rotating said optical element in space around a first and a second rotation axis (X, Y) perpendicular to each other, said mechanism comprising a first rotating assembly around the first rotation axis (X) and a second rotating assembly around the second rotation axis (Y), which first rotating assembly has a through cavity defined around said first rotation axis (X), said through cavity being adapted to be crossed by said light beam (L) and facing said optical element , wherein the said mechanism comprises at least one first electromagnetic actuator arranged to rotate said first rotating assembly and at least one second electromagnetic actuator arranged to rotate said second rotating assembly characterized in that the first rotating assembly is rotatably coupled to the support structure and the second rotating assembly is coupled to the first rotating assembly and comprises a support member of the said optical element , wherein the first electromagnetic actuator comprises a first fixed coil and a first movable magnetic element and the second electromagnetic actuator comprises a second fixed coil and a second movable magnetic element , wherein the first rotating assembly comprises a tubular element having a longitudinal axis coinciding with the first rotation axis (X) and defining said through cavity , said first movable magnetic element being circumferentially arc-shaped and centred in the first rotation axis (X), said first movable magnetic element being coupled externally to the tubular element such that the first movable magnetic element lies on said circumference centred in the first rotation axis (X), said first electromagnetic actuator further comprising one said first coil fixed to the support structure and shaped so as to have an arcuate housing seat for rotating said first movable magnetic element . wherein the said mechanism comprises at least one first electromagnetic actuator arranged to rotate said first rotating assembly and at least one second electromagnetic actuator arranged to rotate said second rotating assembly characterized in that the first rotating assembly is rotatably coupled to the support structure and the second rotating assembly is coupled to the first rotating assembly and comprises a support member of the said optical element , wherein the first electromagnetic actuator comprises a first fixed coil and a first movable magnetic element and the second electromagnetic actuator comprises a second fixed coil and a second movable magnetic element , wherein the first rotating assembly comprises a tubular element having a longitudinal axis coinciding with the first rotation axis (X) and defining said through cavity , said first movable magnetic element being circumferentially arc-shaped and centred in the first rotation axis (X), said first movable magnetic element being coupled externally to the tubular element such that the first movable magnetic element lies on said circumference centred in the first rotation axis (X), said first electromagnetic actuator further comprising one said first coil fixed to the support structure and shaped so as to have an arcuate housing seat for rotating said first movable magnetic element . <EOS>