This zoom lens is designed for use with Panasonic’s applicable projectors. The lens makes it possible to vary the projection distance by changing the focal distance. It is suitable for PT-DZ770K/DZ770LK/DZ770S/DZ770LS/DW740S/DW740LS/DW740K/DW740LK/ DW730S/DW730LS/DW730K/DW730LK/DX810S/DX810LS/DX810K/DX810LK/DX800S/ DX800LS/DX800K/DX800LK/DZ680K/DZ680LK/DZ680S/DZ680LS/DW640K/DW640LK/ DW640S/DW640LS/DX610K/DX610LK/DX610S/DX610LS/DZ6710/DZ6710L/DZ6700/ DZ6700L/DW6300S/DW6300LS/DW6300K/DW6300LK/D6000S/D6000LS/D6000K/ D6000LK/D5000S/D5000LS projectors.