在电视监控系统中如何根据现场被监视环境，正确选用摄像机镜头是非常重要的，因为它直接影响到系统组成后在系统末端监视器上所看到的被监视面画的效果能否满足系统的设计要求 ( 就画面范围或图像细节而言 ) ，所以正确的选用摄像机镜头可以使系统得到最优化设计并可获得良好的监视效果。
In the TV monitoring system, it is very important to select the camera lens correctly according to the monitored environment on the spot, because it directly affects whether the effect of the monitored surface painting seen on the monitor at the end of the system can meet the design requirements of the system (in terms of the picture range or image details), so the correct selection of camera lens can make the system get the most Optimized design and good monitoring effect can be obtained