DESC: Get into the sleek looking and easily manoeuvrable Vixen 130mm Newtonian on a alt-azimuth Porta-Mount. The Porta allows you to swing the telescope in the vertical and horizontal directions while maintaining position with simple friction. Simple friction holds the axes in the final position. The mount comes equipped with two fine adjustment handles for whole-cirlce slow motion in both directions useful for fine motion used in tracking celestial objects.