Patent ID: 7800850

Claim:
A lens driving device comprising: a lens supporting portion configured to support a lens; a driving unit including a feed screw configured to transfer a driving force for driving the lens supporting portion in an optical-axis direction; and a rack supported by the lens supporting portion and engaging with the feed screw, wherein the rack includes a rack portion and a pressing portion facing the rack portion, the rack portion having a plurality of teeth engaging with the feed screw, the pressing portion having a pressing tooth elastically holding the feed screw, wherein at least one of the pressing portion and the rack portion has a guiding section for guiding the pressing tooth to a predetermined engagement position of the feed screw, wherein the pressing portion has the guiding section, wherein the guiding section is a slope adjacent to the pressing tooth at a surface that does not face the feed screw in a state where the guiding section engages with the feed screw.