Portability and serious performance come together in the nexstar 6se celestrons first new schmidt cassegrain optical system in over a decade is now available in a high performance altazimuth computerized telescope the ultra portable 6se features a precision optical system with 1500mm focal length f10 and offers 44 more light gathering than a 5 inch telescope the nexstar 6se has all the same features as celestrons most advanced computerized goto telescopes including our revolutionary sk