Reflective module assembly and camera module including reflective module assembly

A reflective module assembly, comprising:

• a fixed body;
• a moving body configured to rotate with respect to the fixed body;
• a reflective member disposed in the moving body, the reflective member configured to change a direction of a path of light incident in a first optical axis direction to a second optical axis direction;
• three ball members spaced apart from a rotational axis of the moving body, the three ball members configured to rotatably support the moving body;
• a groove arrangement disposed on at least one of the moving body and the fixed body, and configured to contact the three ball members;
• and
• wherein the three ball members and the groove arrangement form six contact points, and
• wherein a position of at least one of the three ball members is fixed within at least one of respective grooves of the groove arrangement.