摘要：【中文】本发明涉及一种用于对运动的构件进行光学监测的设备(1)，该设备具有至少一个第一相机(11)，该第一相机的图像捕获范围(110)能够被跟踪装置(2)影响，并且该第一相机被适配成用于拍摄要监测的构件(3)的至少一部分的至少一个图像，其中该设备还具有至少一个第二相机(12)，该第二相机被适配成用于捕获要监测的该构件的至少一个图像，并且该设备(1)还具有控制或调节装置(5)，该第二相机(12)的图像数据能够被供应给该控制或调节装置，并且能够用该控制或调节装置产生控制或调节信号并且该控制或调节信号能够被供应给该跟踪装置(2)。 【EN】The invention relates to a device (1) for optically monitoring a moving component, comprising at least one first camera (11), the image capturing range (110) of the first camera can be influenced by the tracking device (2), and which is adapted to take at least one image of at least a part of the component (3) to be monitored, wherein the device further has at least one second camera (12) which is adapted to capture at least one image of the component to be monitored, and the device (1) further has a control or adjustment device (5), the image data of the second camera (12) can be supplied to the control or adjustment device, and a control or adjustment signal can be generated with the control or adjustment device and can be supplied to the tracking device (2).