This Galileo No. SS-80090TR 800-millimeter by 90-millimeter Astronomical Reflector Telescope and Galileo No. G-SPA Smartphone Adapter Kit lets you use the camera feature on your smartphone to take pictures or video through the optics of your telescope or use your smartphone to assist in navigating your telescope view to your celestial object of interest. Finding your target is easy with its altitude/azimuth tracker mount featuring slow-motion altitude and azimuth adjustment rods for precision adjustments attached to a sturdy fully adjustable preassembled metal tripod featuring an accessory tray with slots to place four one-inch eyepieces or lenses and retractable rubber feet. The Galileo No. SS-80090TR optical tube assembly features an 800-millimeter focal length. The primary mirror is 90 millimeters in diameter and is mounted in a heavy-duty mirror cell with push/pull collimation screws.