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本专利介绍一种供显微摄象机记录或显示用的光学系统。该光学系统的倍率是可变的,它可以用于记录借助CCD矩阵摄象机从显微镜中获取的视频图象。该系统的变焦由一个包含三个元件(1、2、3)的光学装置提供。其中一个元件(1)是固定的。其余两个元件可以移动,因而可
This patent describes an optical system for recording or displaying microscopic video cameras. The magnification of the optical system is variable and can be used to record video images taken from a microscope by means of a CCD matrix camera. The zooming of the system is provided by an optical device containing three elements (1, 2, 3). One of the components (1) is fixed. The remaining two elements can be moved, so can