A camera module according to one embodiment of this invention has a sensor substrate, a lens holder, and a shield being fixed to the lens holder. The lens holder is composed of a tubular portion including a lens and a top board having an opening. The lens holder is fixed by a second adhesive provided more inside than an edge of the sensor substrate. The shield has a tubular portion and a top board. The tubular portion is composed of a small-diameter portion, a step portion, and a large-diameter portion. The shield is disposed so that the step portion is in contact with a portion between the edge of the sensor substrate and the second adhesive, and, at the same time, the top board of the lens holder is located in an opening formed in the top board of the shield.