@misc{ceb594ff931d4e47aef5e3c901419724,
title = "Optical-system focal-length measuring system and method",
author = "Liu Dali and Jia Xin and Hao Yanhui and Yue Liqing and Li Wenguang and Li Liguang and Zhang Zhifei and Dali Liu",
note = "The invention discloses an optical-system focal-length measuring system and a method. The system includes a laser point illumination positioning module, a light splitter, a point detection and positioning module, a standard plane mirror and goniometer equipment.",
year = "2019",
month = jan,
day = "22",
language = "American English",
type = "Other",
}