In a camera apparatus, a camera module has a predetermined field of view, and is configured to capture an image in front of the vehicle via a predetermined wiping area of the windshield of the vehicle. In the camera module, a lens unit includes a plurality of lenses. A barrel is configured to house the lens unit. An imager has an imaging surface, and is arranged with respect to the lens unit such that light passing through the plurality of lenses of the lens unit forms an image on the imaging surface. The imager includes at least part of an exposure controller that controls an exposure of the imaging surface. The imaging surface is concavely curved