by a follow-up movement of an associated reference mark to the pointer

Control of exposure by setting shutters, diaphragms or filters, separately or conjointly > Control effected by hand adjustment of a member that senses indication of a pointer of a built-in light-sensitive device, e.g. by restoring pointer to a fixed associated reference mark > by a follow-up movement of an associated reference mark to the pointer

Control of exposure by setting shutters, diaphragms or filters, separately or conjointly (control of exposure in television cameras by means of circuitry influencing the optical part of the camera H04N23/75) > Control effected by hand adjustment of a member that senses indication of a pointer of a built- in light-sensitive device, e.g. by restoring point to a fixed associated reference mark > by a follow-up movement of an associated reference mark to the pointer