It's easy to use up and down, left and right movement allows tracking an object with unprecedented precision using both manual macro adjustments for aiming your telescope and manual micro adjustments for precise observing and tracking! The C-1000120TR includes Cassini's 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 optical tube assembly features an 1000mm focal length. The primary mirror is 120mm in diameter and in mounted in a heavy duty mirror cell with push / pull collimation screws. The finder is Cassini's Mars-Eye Electronic Finder which helps by getting the observer behind the telescope without losing the surrounding field of view when targeting objects. Included with the C-1000120TR are a 1¼" 10mm Plössl eyepiece, a 1¼" 25mm Astroscopic Eyepiece, and a 2 element 3x Astroscopic Barlow. Lastly, the Cassini Stellarium CD ROM brings skies over your home or anywhere in the world.