The celestron nexstar 8 se computerised telescope is the largest of the nexstar se family with 78 more light gathering than a 6 model the patented fork arm with ergonomically designed integrated hand control cradle gives solid support to celestrons classic 8 optics the nexstar 8 se features schmidt cassegrain 8 aperture optics with our premium starbright xlt coatings powerful 2 032mm focal length and an f10 focal ratio the nexstar 8 se has all the same features as celestrons most adv