CCTV lens and method of correcting CCTV lens

摘要

A substrate of a control unit is composed of a flexible circuit, a microcomputer is provided on the flexible circuit, and a control unit is provided so as to extend along an outer edge of a lens body. Pulse motors are used for zoom adjustment and focus adjustment, and a drive voltage is applied directly from the flexible circuit to an input terminal of each of the pulse motors. The microcomputer of the control unit is connected to an external control device via a serial communication line, and configured to control the respective pulse motors of the CCTV lens on the basis of a command from the external control device.