Orion 13161 StarSeeker IV 150mm GoTo Reflector Telescope (Burgundy) Our largest aperture StarSeeker IV grabs a lot of light for big, bright views of everything from the Moon and planets to distant nebulas, galaxies and star clusters Huge GoTo database of over 42,000 objects, and handy built-in Tour mode lets you enjoy great views on any clear night Once aligned, dual optical encoders on both axes of motion allow manual aiming of the telescope without losing GoTo alignment After an object is selected, the StarSeeker IV 150mm locates and tracks it automatically so you can relax and enjoy the view Includes GoTo hand controller, 23mm (32.6x) and 10mm (75x) wide-field 60-degree eyepieces, EZ Finder II sight, and more