专利名称：Short focal length, large aperture optical
system
发明人：COX; ARTHUR,JOHNSON; WALTER J.申请号：US46040274申请日：19740412公开号：US3877792A公开日：19750415
摘要：This invention relates to a short focal length, large aperture optical systemprimarily designed to efficiently transmit light rays to an image plane with anextraordinarily high degree of correction over the prescribed field.
申请人：BELL & HOWELL COMPANY
更多信息请下载全文后查看
因篇幅问题不能全部显示，请点此查看更多更全内容
Copyright © 2019- 69lv.com 版权所有 湘ICP备2023021910号-1
违法及侵权请联系：TEL:199 1889 7713 E-MAIL:2724546146@qq.com
本站由北京市万商天勤律师事务所王兴未律师提供法律服务