Abstract: Provided is an optical axis alignment apparatus of a camera module including a chart unit, a substrate alignment unit, an optical axis alignment unit and a control unit, and wherein the control unit calculates a principal point of the images for optical axis alignment by using the acquired plurality of images for optical axis alignment, and controls the substrate alignment unit or the optical axis alignment unit such that a center of the image sensor is located coaxially with the calculated principal point.

Abstract: An embodiment of the present disclosure provides a dual camera module including: a first camera module having a first optical axis; a second camera module having a second optical axis aligned with respect to the first optical axis and a second extension part extending in a direction crossing the second optical axis; a fixing member having a first accommodation part accommodating the first camera module, a second accommodation part accommodating the second camera module, and a second fixing part coupled to the second extension part; and a second adhesive part connecting the second extension part with the second fixing part to fix the second camera module to the fixing member.