Featuring high quality schmidt cassegrain optics the nexstar 5se is an ideal telescope for observing and photographing the wonders of space the ultra portable 5se features a precision optical system with 1250mm focal length f10 with our premium starbright xlt coatings and offers 56 more light gathering power than the 4 inch model the 5se includes a camera control feature that allows you to remotely take a series of timed exposures using your digital slr camera plus the tripod featurin