1) zooming optical system
变焦距光学系统
1.
The key point of the zooming optical system design is how to solve the image surface drift problem during the process of zooming.
变焦距光学系统是一种焦距可连续改变而像面位置保持稳定的光学系统。
2) zoom lens optical system
可变焦距透镜光学系统
3) zoom type optical system
可变焦距光学系统
4) Long focal length optical system
长焦距光学系统
1.
A new method is proposed for measuring the veiling glare index of long focal length optical systems based on the analysis of the properties and their application fields of present measurement devices and the theoretical analysis on the stray light sources is also given.
在分析现有杂光系数测量的基础上，提出了一种新的长焦距光学系统杂光系数测量的方法，并对这种方法进行了理论分
5) multiple focal length lens
多焦距光学系统
补充资料：变焦距镜头
能在一定范围内改变焦距的摄影镜头。在照相机、电影摄影机或摄像机位置不变时，也能摄下被摄体由远到近或由近到远的画面。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条