A lens holder that holds a lens in an inner portion thereof, an image pickup device including a light-receiving section, the image pickup device being positioned at a rear in an optical axis direction L of the lens, a cover glass attached to a facing surface of the image pickup device, and a fitting portion formed in at least an outer circumferential face of the cover glass, the fitting portion allowing a rear end-side part of the lens holder to be fitted thereon are included, and the lens holder and the image pickup device are each formed to have a size allowing the lens holder and the image pickup device to have a same width in a width direction when the rear end-side part is fitted on the fitting portion.
