光电成像器件计算机辅助设计（CAD）基础知识及课程设计指导书 -Optical imaging device computer-aided design (CAD) basic knowledge and curriculum design guide book

红外线生命探测仪的相机入光系统，有4块镜片组成可调焦的远焦距为192mm，近焦距32mm的红外成像光学模块-Infrared cameras into the life detector light system, consisting of four lens focal length can focus much 192mm, 32mm focal length near infrared imaging optical module