摘要
叙述了一种自动对焦式焦度计,该仪器主要由照明准直系统,光电转换系统,微机数据处理和显示打印系统组成。介绍了该仪器的工作原理,基本结构,主要技术指标。并通过实验证明:该仪器原理先进,操作简单,可自动读数,具有较高的测量精度。
A automatic lensometer is presented.The instrument primarily consists of lighting and collimating system,lignt-to-current inversion system,microcomputer data processing system and display,printing system.The working principle,basic structure and main technical target of the instrument is introduced.Experiment show that the instrument have advance principle,operated simply,read number automatically and high measurement accuracy.
出处
《光学仪器》
2003年第6期39-44,共6页
Optical Instruments
关键词
焦度计
顶焦度
屈光度
平行光
准直物镜
lensometer
vertex power
diopter
parallel light
collimating lens
