Abstract: Provided is a camera, including a lens unit having a plurality of lenses and a frame receiving the plurality of lenses, a holding member holding the lens unit, and an image pickup element receiving a light beam transmitting the lenses. In the camera, the holding member has a thread portion by means of which the lens unit is movable along an optical axis, and at least one engagement portion engaging the lens unit. The thread portion has a meshing portion with a central point thereof provided on a side closer to an object than an intermediate portion of an optical total length of the camera.

Abstract: Provided is a camera, including a lens unit having a plurality of lenses and a frame receiving the plurality of lenses, a holding member holding the lens unit, and an image pickup element receiving a light beam transmitting the lenses. In the camera, the holding member has a thread portion by means of which the lens unit is movable along an optical axis, and at least one engagement portion engaging the lens unit. The thread portion has a meshing portion with a central point thereof provided on a side closer to an object than an intermediate portion of an optical total length of the camera.