针孔镜头 meaning in Chinese

pinhole lenses

Pinhole lens , with audio optional
针孔镜头,可带音频
The pinhole cameras were sited in working areas , not in toilets nor changing areas
针孔镜头是在工作间的范围内安装，不是在洗手间或更衣室等私人地方安置。
Telocentric lenses work with a wide depth of field . with a telocentric lens , you can image objects of different distances from the lens and the objects stay in focus
具端着丝粒的镜头(注:我猜是类似于针孔镜头吧)具有宽阔之景深，以具端着丝粒的镜头，你能够将由镜头不同距离之目标物成像和保持目标物在焦。
Following several suspected theft cases that took place in cheung sha wan post office , the post office made reports to the police . the pinhole cameras were installed to facilitate police investigation
事沿长沙湾邮政局有多宗怀疑失窃事件，我们已向警方报案，并决定在该局的工作地方安装了针孔镜头，以配合警方调查工作。
For purposes of monitoring postal operations and security , cctv cameras are commonly installed in sorting centres and selected post offices . the use of pinhole devices with concealed cameras for investigation into specific cases is very rare
安装针孔设施有隐蔽镜头则属非常罕有和特殊，是为了配合实质案件的调查工作，长沙湾邮局装置针孔镜头是个别的事件。