可变焦光学系统 varifocal optical system
透雾连续变焦光学系统 fog transmission zoom optical system
可变焦距光学系统 zoom type optical system
变焦距光学系统 variable focal length optical system
可变焦距透镜光学系统 zoom lens optical system
变焦距透镜光学系统 zoom lens optical system
光学变焦系统 optical zoom system
介绍了一种用于牙科诊断的变焦光学系统的设计。
An optical design of a zoom system applying for dentistry diagnose is presented.
首先应用动态光学理论推导出变焦光学系统的像移补偿组公式，从而得到像移补偿组的轨迹曲线。
With dynamic optical theory, the image motion compensating group formula of the zoom optical system is derived, and the trace curve of the image motion compensating group is plotted.
在满足设计指标的前提下，和变焦系统相比，该光学系统结构简单、成本低、可行性高。
In contrast with zoom system, the simple optics systems meet the requirements of low cost and high feasibility.
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