The Celestron Nex Star 102 SLT Computerised Refractor Telescope is a wonderful entry to mid-level automated scope that is simple & friendly to use. The built-in Sky Tour feature commands the Nex Star to find the most interesting objects in the sky, a great feature for astronomy beginners. For the more experienced users you will appreciate the comprehensive database of over 4, 000 objects, including customised lists of all the best deep-sky objects, stars & planets. With its pre-assembled, adjustable steel tripod, the Nex Star 102 SLR can be up & ready to use in a matter of minutes. The 102 SLT offers a 63% increase of image brightness over 80mm models & the fast f/5 optical system presents you with images that are bright & crisp. The new Sky Align alignment technology, & the included Star Pointer Finderscope with a red LED, makes aligning a breeze.