发明名称 Optical system for camera focussing, uses prism or combined prism and condenser to allow folding of beam to fit more compact housing and reduce coma aberration
摘要 Use of prism to fold beam in a focussing system and provide ray passage along condenser central ray. Prism and condenser may be combined in one optical element The system includes a folding mirror reflector (25), a prism (35) and a condenser lens (31). There is also a lens (27a) and a line sensor (29).
申请公布号 DE19948639(A1) 申请公布日期 2000.04.27
申请号 DE19991048639 申请日期 1999.10.08
申请人 ASAHI KOGAKU KOGYO K.K., TOKIO/TOKYO 发明人 SENSUI, TAKAYUKI
分类号 G03B13/36;G02B7/28;G02B7/30;(IPC1-7):G02B7/36 主分类号 G03B13/36
代理机构 代理人
主权项
地址