Patent ID: 8120694

Claim:
A lens barrel comprising: a plurality of lenses disposed in an outer enclosure; and an imaging device that converts image light introduced as an image capturing signal through the plurality of lenses into an image signal, wherein the outer enclosure has a unit assembling portion in which an imaging unit is disposed, the unit assembling portion having a bottom portion and a peripheral side portion protruding from the peripheral edge of the bottom portion, the imaging unit includes a centering lens disposed in the bottom portion of the unit assembling portion in such a way that the centering lens is pressed against the bottom portion, the centering lens to be adjusted in terms of position with respect to the optical axis, a pressing plate that presses the centering lens from the side opposite the bottom portion, the pressing plate having a light transmission hole through which the image capturing light passes and impinges on the imaging device, a packing disposed on the opposite side of the pressing plate to the centering lens and pressed against the pressing plate, the packing having a transmission hole through which the image capturing light passes and impinges on the imaging device, and an imaging module disposed on the opposite side of the packing to the pressing plate and pressing the packing against the pressing plate, the imaging module having the imaging device, and a working hole through which an adjustment jig is inserted is formed in the peripheral side portion of the unit assembling portion, the adjustment jig used to adjust the position of the centering lens pressed against the bottom portion with respect to the optical axis.