摘要
概述了电影经纬仪的摄影、电视跟踪测量系统中的光模式调焦机构及移动透镜式调焦机构的设计原理、结构特点和优缺点，并对移动透镜式调焦机构的精度作了较详细地分析计算。
This paper describes briefly principle of design and structure characteristics of automatic focussing mechanisms of moving lens and optical wedge of the system of photograph and TV automatic tracking and measuring for cinetheodolite, advantages and disadvantages are analysed. The precision of focussing mechanism of removable fells is also analysed and calculated in detail.
出处
《光学精密工程》
EI
CAS
CSCD
1996年第3期52-57,共6页
Optics and Precision Engineering
