偏心摄影视力筛查设备光学系统设计  

Design of Optical System for Eccentric Photography Sight Detecting Device

作　　者：刘春华 赵楠[1] 柴松均 余毅[1] Liu Chunhua;Zhao Nan;Chai Songjun;Yu Yi(Fine Instrument and Equipment Research&Development Center,Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,Jilin,China;University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]中国科学院长春光学精密机械与物理研究所精密仪器与装备研发中心,吉林长春130033 [2]中国科学院大学,北京100049

出　　处：《激光与光电子学进展》2022年第13期336-340,共5页Laser & Optoelectronics Progress

基　　金：国家自然科学基金面上项目(51675506)。

摘　　要：为了消除偏心摄影验光设备测量人眼屈光度的误差,使拍摄的人眼照片更清晰,对偏心摄影视力筛查设备的成像光学系统进行了设计。该镜头工作距离为1000 mm,总长为51.4554 mm,系统焦距为46.7 mm,F数为2.8。通过优化设计后该系统的最大畸变小于0.3%,很好地校正了球差、场曲和畸变。该偏心摄影成像光学系统结构具有简单、紧凑,且成像质量良好等特点,可以满足偏心摄影验光设备的成像要求。To achieve the purpose of reducing errors in the measurement of the refraction of the human eye by eccentric photographic optometry and to produce clearer photographs of the human eyes,the imaging system of the device was designed.The working distance of the lens is 1000 mm,the focal length of the system is 46.7 mm,the total length is 51.4554 mm,and the F-number is 2.8.After optimization,the maximum optical system distortion is not greater than 0.3%,and the spherical aberration,field curvature,and distortion are well corrected.The imaging lens has the characteristics of simple,compact,and fine quality,which accords the demand of eccentric photographic optometry equipment.

关 键 词：光学设计 偏心摄影验光 屈光状态 暗区高度 

分 类 号：O439[机械工程—光学工程]