TV camera system with external cable having built-in amplifier for connecting TV camera unit to lens unit

摘要

A TV camera system comprises a TV camera unit and a lens unit that can be attached to, and detached from, the TV camera unit. The lens unit includes an iris mechanism the operation of which is controlled by signals from the TV camera unit. The TV camera unit and lens unit are electrically connected by a cable that also includes an amplifier section that amplifies the signals sent from the TV camera unit to control the operation of the iris.