光学系统用铝合金材料的硬质氧化工艺 关键词： 光学变焦系统；铝合金；硬质氧化；显微硬度；反射率 [gap=855]Keywords： optical zoom system；aluminum alloy；hard anodizing；microhardness；reflectance
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可变焦光学系统 varifocal optical system
变焦光学系统 Zoom optical system
透雾连续变焦光学系统 fog transmission zoom optical system
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.
本文介绍一种以液晶空间光调制器作为调制位相信息的衍射元件，获得可变焦长的菲涅耳透镜，以及该元件在光学成像系统中的应用。
A kind of diffraction element modulating phase information by LC space light modulator to get a zoom Fresnel lens, as well as the using of said element to optical imaging system, is introduced.
变焦距物镜组对整个系统的光学信息传递有着重要的作用。
Zoom lens plays an important role in the optical information capture of the whole optical system.
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