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.
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.
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.
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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