Camera module for a motor vehicle and method of pre-focusing a lens objective in a lens holder

A camera module (12) for a motor vehicle comprises a lens objective (20), a lens holder (53) holding said lens objective (20), and a back plate (32) connected to said lens holder (53) and holding an image sensor (24) in or close to an image plane (A) of the lens objective (20). The materials, shapes and/or relative positions of the components of the lens objective (20) are designed to keep the image plane A in or close to the sensitive plane of the image sensor (24) over an operating temperature range of the camera module (12).