They are also used in many other leading edge technologies such as opticalsighting systems and laser range finding.
他们还用在其他许多领先技术，如光学瞄准系统和激光测距。
2
This measuring system is specially designed to solve the diameter and distance of exit pupil of the gun opticalsighting for some factory.
本测试系统是为解决某单位枪用光学瞄具出瞳直径、出瞳距离的测试而研制的。
3
As a sensitive instrument, it is very significant in astronomical telescope, laser communication, tracking and sighting system, picture stability optical system and autoadaptation optical system, etc.