Collimatore universale R.E.E.G.O Pro a led (R.E.E.G.O = Recognisement of Elements Extraxiality through Glows Observation; R.E.E.G.O = Recognisement of Elements Extraxiality by Glance Observation), compatibile con rifrattori, Newton, RC, Cassegrain-derivati, catadiottrici