Patent ID: 8564717

Claim:
A method for assembling an imaging apparatus, comprising the steps of: preparing an external cover, an image pickup device, and a tilt detection unit configured to output a tilt signal of the imaging apparatus; setting an orientation of the external cover to be a predetermined orientation; matching an orientation of the image pickup device with the orientation of the external cover in the state where the orientation of the external cover is the predetermined orientation; fixing the image pickup device in the imaging apparatus in a state where the orientation of the image pickup device is matched with the orientation of the external cover; storing a tilt signal with respect to the image pickup device, which is output by the tilt detection unit in a state where the orientation of the external cover is set to be the predetermined orientation; and rotatably attaching an image pickup device attachment plate to a base, the image pickup device attachment plate including a first hole, a second hole and a third hole provided therein to limit a range of rotation of the image pickup device attachment plate, wherein the image pickup device has a rectangular shape, the first and second holes are located outside one side of the image pickup device and in the proximity of corners of the image pickup device, the third hole is located close to a central portion of a second side opposite to the first side of the image pickup device, and wherein a rotational center of the image pickup device attachment plate is set close to a side of the second hole facing the first hole, and the first hole has an elongate shape which is long in a perpendicular direction to the first side of the image pickup device, and the third hole has an elongated shape which is long in a parallel direction with the second side of the image pickup device.