摘要 |
PROBLEM TO BE SOLVED: To provide a lens unit and on-vehicle camera that can prevent lenses supported by a lens barrel from moving due to a temperature change.SOLUTION: A lens unit 20 comprises: a lens group 19 that has a plurality of lenses 2, 3, 4, 5, 6 and 7 lined along an optical axis of the lenses 2, 3, 4, 5, 6 and 7; and a lens barrel 1 that integrally holds the lens group 19. The lens unit 20 comprises an annular spacer 13 that is arranged among the lenses 2, 3, 4, 5, 6 and 7 of at least one portion of the lens group 19. The spacer 13 is made up of a wave spring extendable in the optical axis of the lenses 2, 3, 4, 5, 6 and 7.SELECTED DRAWING: Figure 1 |