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Diaphragm device of a television camera lens for a cctv surveillance camera
Diaphragm device of a television camera lens for a cctv surveillance camera
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机译:用于闭路电视监控摄像机的电视摄像机镜头的膜片装置
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摘要
A diaphragm device of a lens for a CCTV camera includes a lens barrel, a diaphragm, a base plate which supports the diaphragm, a diaphragm driver for driving the diaphragm to adjust a size of an aperture formed by the diaphragm, an optical filter, and a filter driver for moving the optical filter into and out of an optical path of the lens; wherein each of the diaphragm and the optical filter lies on a corresponding surface of the base plate. The diaphragm, the base plate, the diaphragm driver, the optical filter, and the filter driver are provided in the lens barrel.
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