The Panasonic Short Throw 13.27 - 16.56 mm f/ 2.0 - 2.4 Zoom Lens is ideal for a wide range of applications including large/medium classrooms, seminar rooms, museum/exhibition halls and shows. A short throw ratio approximately 0.8 - 1.0: 1 adds flexibility for installation in narrow spaces. The powered zoom/focus/lens shift features allow convenient setup by remote control. Can be used with the Panasonic PT-EZ770 and PT-EZ580 Series LCD projectors.