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.
变焦距光学系统凸轮曲线设计是保证光学系统变焦精确、平滑和驱动力均衡的关键。
The design of the CAM curves of the zoom system is critical to keep the precise, smooth and balance movement of the optical system.
简要介绍了变焦距电视摄像镜头光学系统像差平衡方案及主要像差结果。
The aberration equilibrium of the zoom optical system of television camera and the main aberrations have been simply discussed.
变焦距光学系统已经在各种光学仪器上获得了广泛的应用，一些新的设计思想也层出不穷。
Zoom optical systems have been widely used on all kinds of optical instruments, and more and more new design methods have been employed.
目前，研究工作在类似的光学系统，这使得有可能改变焦距。
At present researchers work at the analogous optical system, which makes possible to change focal length.
目前，研究工作在类似的光学系统，这使得有可能改变焦距。
At present researchers work at the analogous optical system, which makes possible to change focal length.
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