This Galileo SS-80090TR 800mm x 90mm Astronomical Reflector Telescope and Galileo #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 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, pre-assembled metal tripod featuring an accessory tray with slots to place 4 1¼” eyepieces or lenses and retractable rubber feet. The Galileo #SS-80090TR optical tube assembly features an 800mm focal length. The primary mirror is 90mm in diameter and is mounted in a heavy duty mirror cell with push / pull collimation screws. The finderscope is Galileo’s Mars’ Eye electronic RED DOT Finderscope which helps by getting the observer behind the telescope without losing the surrounding field of view when targeting objects. Also included with the #SS-80090TR are a 1¼″ 6mm eyepiece (133X Power/Magnification) and a 1¼″ 20mm eyepiece (40X Power/Magnification). As well as mounting to the telescope, the Galileo #G-SPA Smartphone adapter lets you use the camera feature on your smartphone to take pictures or video through the optics of your Telescope (or very own binoculars, spotting scope, microscope etc. as well). It also allows you to mount your Smartphone on a standard camera tripod (not included) for hands-free video calls, family photos with everyone in the picture, or anytime you want to include yourself in the action. Fits most popular smartphones.