A lens mounting module includes an image pickup unit; a mount plate that includes an installation surface on which a lens unit is installed; a first support frame located between the image pickup unit and the mount plate, that supports the mount plate, and that includes a contact point that provides an electrical contact with the lens unit installed on the mount plate; and a second support frame installed between the first support frame and the image pickup unit, that supports the first support frame, and that includes an insertion part through which the image pickup unit is inserted.