Patent ID: 8526129

Claim:
A lens unit comprising: a plurality of lenses each comprising a lens portion and a flange portion surrounding the lens portion; and a holder body that holds one lens and other lenses of the plurality of lenses that are successively arranged along an optical axis, wherein the holder body comprises first receive portions and a second receive portion successively formed along the optical axis, the first receive portions are shaped such that the first receive portions can receive the other lenses from a first direction that is parallel to the optical axis and receive them in a state where the received other lenses are press-fitted in the first receive portions so that the received other lenses are prevented from moving in a direction perpendicular to the optical axis by restricting the received other lenses in a radial direction thereof, the second receive portion is shaped such that the second receive portion can receive the one lens from a second direction which is opposite to the first direction and receive it in a state where the received one lens can be moved in the direction perpendicular to the optical axis, the first receive portions hold the other lenses, the second receive portion holds the one lens, and the flange portion of the one lens held within the second receive portion at least partially protrudes from an end of the second receive portion of the holder body in the first direction.